Answer:
is C
Explanation:
Teoría cinética molecular. Las leyes de los gases desarrolladas por Boyle, Charles y Gay-Lussac, que establecieron las principales relaciones entre la presión, el volumen y la temperatura de un gas, están basadas en observaciones empíricas y describen el comportamiento de los gases en términos macroscópicos.
The statement which best describes the Kinetic Theory Model is that When particles in matter gain or lose energy, they change state. Thus, the correct option for this question is C.
What is the kinetic theory model?The kinetic theory model may be defined as a type of theory that significantly states that all matter is composed of particles in motion and that the rate of motion varies directly with the temperature. As the temperature rises, the movement of particles gradually increases.
According to this theory model, the molecular composition of the gas is in terms of a large number of submicroscopic particles which include atoms and molecules. Further, the theory explains that gas pressure arises due to particles colliding with each other and the walls of the container.
Therefore, when particles in matter gain or lose energy, they would definitely change state with respect to the energy that is administered to them. Thus, the correct option for this question is C.
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In a given chemical reaction, the energy of the products is greater than the ene
O
A.
Energy is absorbed in the reaction.
O
B.
Energy is released in the reaction.
O
C .
No energy is transferred in the reaction.
O D.
Energy is created in the reaction.
O
E.
Energy is lost in the reaction.
Reset
N
Answer: a reaction in which energy is absorbed from the surroundings is called an endothermic reaction
Explanation: in in document reactions the enthalpy of the products is greater than the empathy of the reactants. exothermic reactions heat up their surroundings while endothermic reactions cool them down
The correct answer is A. Energy is absorbed in the reaction, which is characteristic of an endothermic reaction where the products have higher energy than the reactants.
When the energy of the products is greater than the energy of the reactants, this indicates that energy was absorbed during the chemical reaction. Such reactions are known as endothermic reactions, where energy from the surroundings is required for the reaction to proceed. The correct option for the given question is A. Energy is absorbed in the reaction. This is because, during an endothermic reaction, energy is necessary to break the initial bonds of the reactants, and the formation of new bonds in the products does not release as much energy as it was absorbed to break the initial bonds. Therefore, the overall energy of the system increases, and this absorbed energy is reflected in the higher energy content of the products compared to the reactants.
what is the general name for a liquid that is used to make cell structures under a microscope easier to see
Is it a stain???? Cause I don’t know
Please hellppp!!! Quick! X
Answer:
Cytoplasm is the answer.
Explanation:
Humans are different from each other in many ways, including in their sizes, shapes, skin color, facial features, and handedness. However, all humans are classified as one species because it is possible for one person from one location on the Earth to reproduce with another person from a different location on the Earth. What other evidence can be used in support of the idea that humans are a single species and unique from other species? A. All humans have one vertical line of symmetry in their body plans. B. Humans from different locations speak different languages. C. Humans from different locations can donate blood and organs to one another. D. All humans possess body hair.
Answer:
The correct option is C) Humans from different locations can donate blood and organs to one another.
Explanation:
Organisms belonging to the same species can interbreed and produce fertile offsprings. As humans all around the world can interbreed and produce fertile embryo hence all human beings belong to the same species. Also, the organs and blood of organisms from the same species can be transferred depending on the compatibility. It is less likely for the human body to reject a graft from other human being rather than another species. Although, xenotransplantation has been practiced in the laboratory by scientists but it has not produced any good results.
Which pair is correct?
a. Ge phase, DNA replication
b. Ga phase, preparation for mitosis
c. S phase, cell division
d. M phase, cell growth
Answer:
answer is d as m phase = cell growth
3. Which of the following reflect reasons for America's interest in the Panama Canal?
to protect the Americans who were in the Panama Canal zone
to protect its new holdings in the Pacific
to shorten the sailing time between the east and west coasts
to create a quick passage way to Japan so the Japanese could immigrate
to facilitate the faster movement of naval ships from the Atlantic to the Pacific
"To facilitate the faster movement of naval ships from the Atlantic to the Pacific" reflect one of the reasons for America's interest in the Panama Canal.
Answer: Option E
Explanation:
Panama Canal is an artificial or man-made waterway of 82 km located in transcontinental country in Central America and South America named as "Panama". France was the very first nation to start work on the canal in 1881 but after some engineering issues they eliminated themselves from the project.
In 1901 the United States leaded the project which finally resulted into inaugural ceremony of the panama canal on 15th August, 1914.The bypass, one of the largest and most complex engineering projects ever undertaken, significantly reduced the time for ships to pass between the Atlantic and Pacific oceans. Therefore it allowed them to avoid the long, risky Cape Horn path around the southernmost tip of South America via the Drake Passage or Magellan Strait.
Final answer:
America's interest in the Panama Canal was due to strategic military needs for rapid naval deployment, economic benefits provided by a quicker route between oceans during the Gold Rush, and the enhanced global power projection that it enabled. So, the correct statement is "to facilitate the faster movement of naval ships from the Atlantic to the Pacific"
Explanation:
The reasons for America's interest in the Panama Canal were multifaceted. From a strategic military standpoint, the U.S. needed a faster way to move its naval fleet between the Atlantic and Pacific oceans, especially after experiencing the prolonged sailing time during the Spanish-American War. The Gold Rush and the expansion of U.S. holdings in the Pacific following the war showed the economic importance of a shortcut between the two coasts. Lastly, the canal would facilitate the faster movement of naval ships, strengthening America's defense and ability to project power globally.
Meiosis results in _____.
4 haploid daughter cells
2 haploid daughter cells
4 diploid daughter cells
2 diploid daughter cells
Meiosis results in 4 haploid cells.
Explanation:
Meiosis undergoes two cycles namely: meiosis 1 and meiosis 2
Meiosis occurs in germ or sex cells in which four haploid daughter cells are formed each having one of a chromosome pair that exists in diploid cells.
Meiosis results in 4 haploid daughter cells.
Meiosis results in 4 haploid daughter cells. During meiosis, a diploid cell undergoes two rounds of cell division to produce four haploid cells, each with half the number of chromosomes as the parent cell.
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A scientist wrote a paper titled “Directional Selection in Action” after observing a population of mice for 15 years. The mice typically preferred to eat berries, although a few would also eat insects. After a drought in year 3, the scientist observed that more mice were eating insects. By year 10, most of the mice in the population ate insects in addition to berries. Which best describes her article?
Her title is accurate because two opposite extremes are favored.
Her title is accurate because one extreme is favored.
She should change her title because she is observing stabilizing selection.
She should change her title because selection cannot be observed.
Answer:
The correct option is B) Her title is accurate because one extreme is favored.
Explanation:
In ecological studies, directional selection can be described as a selection due to which an extreme phenotype is favoured by natural selection and evolution causes the change in allele frequencies in favour of the extreme phenotype.
In the condition described in the question, the phenotype for eating insects was the extreme phenotype which was favoured by natural selection. The allele frequency for this extreme phenotype became abundant due to evolution. Hence, option B is correct.
Answer:
b, on ed2020
Which geological feature is most common at oceanic-continental convergent boundaries?
Faults
Trenches
Rift Valleys
Volcanic Mountain Ranges
Trenches are geological feature is most common at oceanic-continental convergent boundaries.
Explanation:
Usually, the oceanic plate, because it is denser, becomes subducted underneath the continental plate. The enormous stress of the two colliding plates causes the plates to warp abit downwards along the boundary causing a trench to form that stretches the boundary.
As the oceanic plate gets subducted and ‘dives’ into the mantle, it begins to melt into magma. Usually, due to the enormous stress along the boundary, fissures develop on teh continental plate along teh boundary. The magma rises through these fissures and erupts at the surface. Several mountains form long the boundary forming another signature geological feature of convergent boundary which is volcanic arc mountains.
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Answer:
Explanation:
i think its volcanos
What is in error in dna called
Errors in DNA are called mutations.
water molecules evaporate from a lake near the equator and rise into the atmosphere, as shown in the diagram below. as the molecules travel away from the equator, which step in the water cycle is most likely to happen next
Condensation in the atmosphere, leading to cloud formation and potential precipitation.
As water molecules evaporate from a lake near the equator and rise into the atmosphere, the next likely step in the water cycle is condensation. As the warm, moist air rises, it encounters cooler temperatures at higher altitudes. The decrease in temperature causes the water vapor to condense into tiny water droplets or ice crystals, forming clouds. These clouds are part of the condensation process in the atmosphere.
Subsequently, if the conditions are conducive, the accumulated water droplets in the clouds may coalesce and grow, eventually leading to precipitation in the form of rain, snow, sleet, or hail. This completes the cycle as the condensed water returns to the Earth's surface, replenishing the water in lakes, rivers, and other bodies of water, and continuing the dynamic process of the water cycle.
While looking at bacteria under a microscope, you decide to take a break. When you return, the amount of bacteria has doubled in size. Your break probably only took _____.
24 hours
1-3 hours
8 hours
48 hours
The correct answer is 1-3 hours.In ideal laboratory conditions, some types of bacteria can double in size in as short as 20 to 30 minutes. Therefore, the break probably only took 1-3 hours for the bacteria to double. This doubling time leads to a J-shaped exponential growth curve, which can vastly increase the bacterial population over a short period.
When observing bacterial growth under a microscope, the time it takes for a bacterial population to double in size, known as the doubling time, can vary based on the environmental conditions and nutrient availability. In ideal conditions, some bacteria can double every 20 to 30 minutes, while in less favorable conditions, the doubling time might be extended to several hours. Based on the information provided, a doubling time was interpreted as relatively rapid, implying that the break taken was likely 1-3 hours, during which the amount of bacteria observed doubled.
For a bacteria culture that doubles every 30 minutes, we can calculate the growth over time. Starting with a specific number of cells, say 1 × 105 cells, after 2 hours (which is four 30-minute cycles), the population would reach 1.6 × 106 cells given that there is no cell death. This rapid growth pattern, which is common in bacteria under optimal conditions, often leads to a J-shaped exponential growth curve.
It's important to remember that these figures are theoretical and actual bacterial growth can be influenced by various factors such as nutrient availability, temperature, pH, and the immune response of the host in a real-world scenario.
An octopus reproduces only once in its life, but it may have more than 100,000 offspring, depending on the species. Certain species of penguin, by contrast, have only one chick at a time. If some species can reproduce as rapidly as the octopus (100,000 offspring every 3 or 4 years), how is it possible that a species that has only one young at a time is equally successful?
A.
Having a large number of offspring assures that at least some of them will escape being killed by predators.
B.
An octopus only reproduces one time, but penguins may reproduce between 4 and 12 times in their lives.
C.
The success of a species depends on the number of offspring that survive long enough to reproduce.
D.
Baby penguins are left to fend for themselves from the time they hatch, so they quickly become self-sufficient.
Answer:
The correct option is C) The success of a species depends on the number of offspring that survive long enough to reproduce.
Explanation:
Some species of animals such as the octopus might give rise to many offspring, but these offspring might not survive due to different reasons. Only a few of them will be able to survive until the age where they can reproduce.
On the other hand, the survival rate of offspring which are formed in lesser numbers is more. These offspring are taken care of by their parents usually or are better adapted to live in the environment. Hence, their survival rate is more.
Answer:
The success of a species depends on the number of offspring that survive long enough to reproduce
Water is made of two hydrogen atoms and one oxygen atom bonded together. Julia is describing how water undergoes a
physical change when it boils. She says that the particles shift to be farther apart and that the oxygen and hydrogen
separate. She also says that the total mass of the steam is the same as the initial water, and that heat energy was required
to cause the change. She finishes her description by saying that the steam can be turned back into water if it is cooled.
Which is the mistake in her description?
A>The total mass remains the same in physical changes.
B>The arrangement of particles may change in physical changes.
C>Atoms remain bonded to each other in physical changes.
D>Energy changes may occur in physical changes.
B
Julia made a mistake in her description that the arrangement of particles may change in physical changes.The arrangement of particles may change in physical changes.
Explanation:
Change of phases in a substance is a physical change. The chemical elements of the substance do not change, only their arrangement or form.
Therefore when water changes phase from liquid to water vapor, the water molecules chemical structure do not change. This can only occur by chemical changes, not physical changes. The water molecules merely get farther apart from each other due to the increased kinetic energy they acquired from the heating.
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The mistake in Julia's description is her statement that the hydrogen and oxygen atoms separate during boiling. In fact, atoms in a molecule stay bonded together in physical changes. The correct option is C.
Explanation:The mistake in Julia's description of water undergoing a physical change when it boils is her claim that the oxygen and hydrogen atoms separate. This statement is incorrect as the atoms within a molecule do not break apart during a physical change, such as the change from liquid water to steam.
In a physical change, the particles of a substance may move further apart, and the substance may absorb or release energy, but the molecules themselves do not break up. Therefore, the hydrogen and oxygen atoms in a water molecule stay bonded together whether the water is in liquid, solid, or gaseous state. This is reflective of choice C: Atoms remain bonded to each other in physical changes.
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Why is it important that cardiac muscle tissue does not tire
It is important that cardiac muscle tissue does not tire so that a continuous supply of Oxygen to the tissues is maintained.Otherwise, the metabolic activities of the body will cease.
Explanation:
Cardiac muscles are the muscles of the heart.
The pumping mechanism of the heart is due to the contraction and relaxation of cardiac muscles.
The blood that carries oxygen is transported to the different tissues of the body through the blood vessels and provides the oxygen to the tissues for metabolic functions.
If cardiac muscles tire, then the heart will stop pumping and oxygenated blood will not reach the cells. Deficiency of oxygen will result in reduced ATP production and soon the activities of tissues will cease and multiple organ failure will occur.
This will lead to the death of the individual.
An organic compound is a compound that contains Question 12 options: carbon. hydrogen. oxygen. sodium.
Answer: carbon
Explanation: a compound that contains carbon in its structure and made long chains and complex structures due to the presence of a carbon atom. An example is methane CH4.
Answer:
Carbon
Explanation:
An organic compound is a compound that contains carbon.
Carbon has the ability to form chains with other carbon atoms.
That ability is also known as catenation. So, carbon has the ability to catenate millions of organic compounds.
All known organs are made based on carbon. Without carbon there will not be life as we know it.
What is included in the nervous system?
a) Heart
b) Skin
c) Brain
d) Lungs
Lungs and skin
Answer:
The answer is C) Brain. The brain processes the signals that are sent to it from the nerves in your body.
Answer:c) Brain
Explanation:
Nervous system is the seat of coordination of all actions and sensory information through sending of signals to all body part. It is divided into two; the central nervous system(CNS) and the pheripheral nervous system (PNS). The CNS comprise of the Brain and spinal cord.
The Brain is what is what is included in Nervous system
What happens when a sodium atom loses an electron in its outer energy
O
A. It becomes a negative ion
O
B. It has an increase in the number of protons.
O
C. It has an increase in the number of neutrons.
O Dit becomes a positive ion.
Answer:
The correct option is D) it becomes a positive ion.
Explanation:
The third shell of the sodium atom has one valence electron. In order to become stable, the sodium atom tends to lose its valence electron so that a stable configuration can be achieved. When a sodium atom loses an electron, the number of protons in the nucleus becomes greater than the number of electrons as one electron has been lost. As a result, the sodium atom becomes a positively charged ion with + 1 charge.
Answer:
D.) It becomes a positive ion
Explanation:
It's correct
Structures that are similar in structure but different in function
Answer:
Some organisms have anatomical structures that are very similar in embryological development and form, but very different in function. These are called homologous structures. Since these structures are so similar, they indicate an evolutionary relationship and a common ancestor of the species that possess them
Explanation:
What does a surface area/volume ratio of 6:1 mean for the cell’s ability to get the materials it needs that move across its surface?
Plz help) I'm offering 50 points and the brainliest
Answer and Explanation:
In a cell, the smaller the surface area in relation to its volume, the lower the rate of diffusion. The ratio of surface area to volume of an object decreases sharply with increase in its size. The materials move across the cell rapidly because the cell has a larger surface area to volume ratio thus the rate of diffusion of materials is high.
The cell theory applies to___________
1
multicellular organisms.
2
all answers are correct.
3
bacteria.
4
plants and animals.
The cell theory applies to multicellular organisms, bacteria and plants and animals.
The cell theory:Cell theory is a theory that says all living organisms are made up of cells, cell is the basic structural,functional unit of all living organisms and every cell come from pre-existing cell. The cell is basic unit of reproduction also.
Viruses are not true cells. They lack the some important part of the cell i.e the protoplasm and hence the cell theory is only not applicable to viruses.
therefore, The cell theory applies to all answer are correct (option 2) is the correct answer.
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The cell theory applies to multicellular organisms, bacteria, plants and animals.
What is cell theory?Cell theory is a scientific theory first formulated in the mid-nineteenth century, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.
Matthias Schleiden, a German botanist, and Theodor Schwann, a British Zoologist formulated the cell theory in the mid-nineteenth century.
Knowing that all living things are made up of cells allows us to understand how organisms are created, grow, and die.
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Disorder treated by restricting milk
Galactosemia is a disorder that is treated by restricting milk.
Explanation:
The lactose sugar present in the milk is made up of simpler subunit galactose and glucose. In some individuals, the enzyme galactase-1-phosphate uridyl transferase is not present or not working properly. This enzyme is required to convert galactose into glucose. As a result of this dysfunctional enzyme large amount of galactose is present in the blood. In such cases, milk is avoided.
What is a scientific theory?
A.
a reasonable guess based on instinct
B. an imaginative idea explaining natural phenomena
C. a broad, evidence-based explanation for a phenomenon
OD.
a tentative statement with little or no predictive power
Answer:
C. a broad, evidence-based explanation for a phenomenon
Question 10 of 10
2 Points
What does polymerase chain reaction (PCR) do?
O
A. Cuts a DNA sample into fragments
O
B. Separates DNA fragments by size
O
c. Provides an overall picture of a person's chromosomes
O D. Makes more copies of a sample of DNA
Option D
polymerase chain reaction (PCR) do Makes more copies of a sample of DNA
Explanation:
A procedure to create several portraits of a distinct DNA section is termed as Polymerase chain reaction. In other words, it is a lab routine handled to compose various representations of a portion of DNA. PCR is extremely explicit and can be utilized to increase, or model, a particular DNA destination from a hybrid of DNA particles.
In PCR, the effect is regularly cycled within a range of temperature variations, which deduct countless models of the destination range to be exhibited. PCR intends to obtain sufficient of the objective DNA region that it can be examined or applied in some other way.
Which of the following happens when a company goes public?
O
A. It gets taken over by the federal government
O
B. It starts offering its products for sale in the free market
O
C. It issues bonds that can be bought by anyone
O
D. It begins selling shares of stock in a public stock market
SUBMIT
Answer:
The company can increase its capital without going into debt.
Explanation:
continues.
Part B
The pressurized plants and fungi mentioned in the video have some surprising similarities. What differences would you
expect them to have?
Answer:
Plants are autotrophic organisms which means they have the ability to produce their own food by using light energy from the sun. The cell wall of plants is made up of cellulose.
Fungi have heterotrophic mode of nutrition. They cannot make their own food and take in food as a source of energy. The cell wall of fungi is made up of chitin, not cellulose.
Answer:
The green plant would be able to photosynthesize, but the fungi wouldn’t. The plants would have cellulose in their cell walls, while the fungi would have chitin.
Explanation:
PLEASE HELP ASAP!!!
To which classification levels does this scientific name "Canus nipponicus" belong?
A. kingdom and phylum
B. phylum and genus
C. genus and species
D. kingdom and species
Answer:
ALRIGHTY IMA HELP YA DONT WORRY!
The Answer is: C
Explanation: I dont know how to explain it lol but pretty sure im right.
Most grasses of the prairies
are bunchgrasses
grow in clumps
grow in tufts
are sod-forming grasses
Answer:
are bunchgrasses
Explanation:
What is the Taxonomic System and why is it important? plz answer for 50 pts
Answer:
Taxonomic system of classification can be described as the method of classification on the basis of which organisms are classified into more and more inclusive groups. The taxonomic system of classification was devised by Carolus Linnaeus.
This system of classification is important because organisms can be grouped on the basis of their similarities. The organisms which are more closely related in terms of structure and function are more closely related to one another. Hence, it helps to group organisms on the basis of their similarities. It helps scientists to organize the diversity of life.
Blank is not the only factor in determining the characteristics of an Organism Environment is also a major factor
Answer:
Genes is not the only factor in determining the characteristics of an organism environment is also a major factor.
Explanation:
The organisms having the traits which are very favorable or suited in an environment have greater probability of surviving and reproducing at the higher rate than any organism which are less suited to that environment.When an organism start developing from one stage to another, the interaction of genes with the environment initiates at every moment of its life.The interaction of genes and environment determines the characteristics of that organism.Final answer:
The characteristics of an organism are influenced by both genetic and environmental factors, with abiotic and biotic components playing significant roles. Phenotypic expression can be affected by the environment, and changes in environmental conditions can lead to adaptations in organisms.
Explanation:
The environment plays a significant role in determining the characteristics of an organism, alongside genetic factors. In biology, this interplay between genetics and the environment is vital for understanding organismal traits and behaviors. Two main environmental factor categories influence organisms:
Abiotic factors: Non-living components such as sunlight, climate, soil, water, and air.
Biotic factors: Living components or those that were once living, like plants, animals, microorganisms, and their remains.
Organisms are not isolated entities; they are part of complex systems that require interaction with their surroundings to survive and thrive. The environment can affect phenotypic expression, such as in cases where sun exposure influences skin color, or temperature-dependent sex determination (TSD) can dictate the gender in some reptiles. Changes in the environment, including climate shifts or the introduction of new species, can have substantive effects on an organism's ability to maintain its population and can lead to adaptations that are essential for survival in changing conditions.
Why is fresh water a limited resource?
Groundwater is too difficult to access
Most water covering Earth is salt water.
The supply of water on Earth decreases over time.
Too much water is wasted on irrigation
Answer:
The supply decreases over time
Fresh water is a limited resource because too much water is wasted on irrigation.
What is irrigation?Irrigation is defined as the artificial means of watering plants in agriculture which includes canals from underground water.
This process in some areas are the only source of water for farming and this leads to wasting of excess fresh water on irrigation.
Therefore, fresh water is a limited resource because too much water is wasted on irrigation.
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