Which of the following statements is true?

A. The Decca navigation system is used today by the U.S. Coast Guard.
B. SONAR was developed during World War I to track the location of underwater mines.
C. Seismic profiling uses high frequency radio waves to map the surface of the ocean floor.
D. All of the above.
None of the above.

Fort Pickens (adding more characters)

The water cycle, driven by the sun's energy, evaporates water which then condenses into clouds and falls back to Earth as precipitation. This water infiltrates the soil, replenishing groundwater resources and aquifers, important reservoirs of fresh water. It also guarantees a steady flow of fresh water into watersheds, thereby supporting the ecosystems they underpin.

The water cycle plays a critical role in the functioning of aquifers, groundwater, and watersheds. It is driven by the sun's energy, warming the oceans and surface waters and leading to evaporation and sublimation. This deposits large amounts of water vapor into the atmosphere, which then condenses into clouds and eventually falls back to the Earth's surface as precipitation.

This precipitated water may infiltrate into the soil, where it replenishes groundwater resources and aquifers. These are major reservoirs of fresh water, existing in the pores between sand particles and in fissures in rocks. Groundwater reservoirs are vital sources of drinking and irrigation water, which are often tapped through wells. In many cases, these aquifers are being depleted faster than they can be replenished through the water cycle.

Furthermore, this cycle is crucial for watersheds, areas of land where all the water drains into a single point like a river or lake. The water cycle ensures a steady flow of fresh water into these ecosystems, making it essential for their health and for the lifeforms they support.

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Final answer:

The United States is the only major country that primarily uses the Fahrenheit scale for weather, medicine, and cooking. A handful of other countries and territories also use it, but Celsius is the globally preferred scale in scientific and non-scientific contexts.

Explanation:

The only major country in the world to primarily use the Fahrenheit temperature scale is the United States. Although the Kelvin scale is the official SI temperature scale, the Celsius scale is commonly used in many scientific contexts and is the preferred scale for non-scientific use in almost all areas of the world. Very few countries use Fahrenheit for weather, medicine, and cooking, besides the U.S. and its territories. Some of these include the Bahamas, Belize, Cayman Islands, and Palau. However, efforts like the Paris Climate Accord show an international push towards a unified approach in scientific measurements, like the metric system and Celsius temperature scale.

Answer:

They are all canadian singers.

Explanation:

Celine Dion, whose real name is Celine Marie Claudette Dion, was born in Charlemagne, Quebec on May, 30 th, 1968.

Shania Twain , whose real name is Eilleen Regina Edwards, was born in Windsor, on August, 28 th, 1965.

Bryan Guy Adams , was born in Kingston, Canada on November, 5 th , 1959.

Answer:

Papua New Guinea

Explanation:

Because of the geographical history, Papua New Guinea is having several mines in Oceania. So if Ron is decided to move in Oceania to run a mine company, so Papua New Guinea is the best for that purpose, as this area of Oceania have several area which hide mines in them

Answer:

To foster greater unity.

Explanation:

The African Union (AU) is a continental union consisting of 55 member states located on the continent of Africa. One of the goals of Africa Union is to achieve greater unity, cohesion and solidarity between the African countries and African nations. One of these sub goals of unity by the AU is to create a common currency to be used by all banking institutions in the continent.

America's first roads followed old Indian trails that had been widened and often ran alongside existing waterways before the War of 1812. The federally funded Cumberland Road, initiated in 1811, was a major road that supported westward expansion. With growing transport demands, toll roads and an extensive system of railroads and canals emerged.

America's first roads were constructed in various ways, often influenced by geographical and practical considerations. Before the War of 1812, early American roads were usually old Indian trails that had been widened. These routes were typically located along existing waterways, which were used to navigate and transport goods efficiently due to the difficulty and cost of land transport.

The first major federally funded highway was the Cumberland Road, which started construction in 1811, facilitating westward movement and connecting areas from Maryland to Illinois. As transportation needs grew, there was a concerted effort to build roads and canals for the movement of goods and people. Over time, turnpike companies constructed toll roads, particularly in New York State, and eventually, the country saw the rise of a more extensive transportation system including railroads and canals alongside roads.

Final answer:

The Earth consists of five spheres: the hydrosphere (water bodies), atmosphere (gaseous layers), geosphere (earth's solid parts), biosphere (all forms of life), and anthrosphere (human-created environments). Each sphere has unique components and all spheres interact with each other, exemplified by a tree in a garden which connects all spheres through various processes like photosynthesis.

Explanation:

Five Environmental Spheres

The Earth consists of five interconnected spheres, each with its own distinct components and characteristics. These are the hydrosphere, atmosphere, geosphere, biosphere, and the anthrosphere. Each sphere plays a critical role in the overall health and function of the planet, exhibiting constant interactions that influence Earth's environments.

The interactions between these spheres can be complex and interdependent. For example, a tree in a garden represents all spheres: it grows from the geosphere (soil), benefits from the hydrosphere (water), is part of the biosphere (it is a living organism), affects the atmosphere (through photosynthesis), and can be shaped by or included in the anthrosphere (landscaping by humans).

Answer:

B. Great Basin

Explanation:

I got it right

Answer:

The answer is -0.54 with both the 5 and the 4 underlined at the top.

Answer:

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Explanation:

Answer:

The Mayans had a very advanced numeral system with place values, sophisticated and complex calendars, mathematics ahead of Europe’s for centuries, architectural structures with great elegance (one of which include the longest suspension bridge from the 7th century to 1377), knowledge in astronomy, the only complete writing system in Mesoamerica, remarkably precise strait, elevated roads/causeways, aqueducts through the use of water pressure technology, sophisticated and intricate art variety, and the production of rubber before vulcanization.

i can answer the question if you add the picture

Environmental protection Law was passed and approved for the protection of environment. It was required to safeguard our environment from potential damage through pollution and depletion of ozone layer which are signs of terrible danger to human beings.