Why is 70 of the Earth is covered by water?

Why is 70 of the Earth is covered by water?

The Earth is a watery place. About 71 percent of the Earth’s surface is water-covered, and the oceans hold about 96.5 percent of all Earth’s water. Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers, and even in you and your dog.

Why is the amount of water on Earth important for human needs?

Not only do they supply the human population, animals, and plants with the freshwater they need to survive, but they are great places for people to have fun. You might be surprised at how little of Earth’s water supply is stored as freshwater on the land surface, as shown in the diagram and table below.

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What is 70\% of the earth covered with?

water
About 70\% of the earth’s surface is covered with water.

Which covers the earth about 70 and much of it is in the form of ocean water?

The ocean covers more than 70 percent of Earth, and more than 80 percent of it remains unexplored. The ocean is a huge body of saltwater that covers about 71 percent of Earth’s surface.

Does the amount of water on Earth change explain your answer?

Water—the main reason for life on Earth—continuously circulates through one of Earth’s most powerful systems: the water cycle. Water flows endlessly between the ocean, atmosphere, and land. Earth’s water is finite, meaning that the amount of water in, on, and above our planet does not increase or decrease.

How much of the earth is covered by water in fraction?

71\%
In simplest terms, water makes up about 71\% of the Earth’s surface, while the other 29\% consists of continents and islands.

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How much part of Earth is covered with water?

About 71 percent of the Earth’s surface is water-covered, and the oceans hold about 96.5 percent of all Earth’s water. Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers, and even in you and your dog.

What continent holds 70 of the world’s fresh water?

Antarctica
Glaciers and ice caps cover about 10\% of the world’s landmass. These are concentrated in Greenland and Antarctica and contain 70\% of the world’s freshwater.

Why has 70\% of the earth covered with water?

Nature has covered 70\% of the earth with water simply because nature understood the importance of water for life on earth but nature had to store water some where so it made oceans/seas and system of rivers which flow from mountains into the ocean through the plains.

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How much of the earth’s water is locked away?

Of that 3\%, 2.6 of it is locked away in glaciers and polar ice caps. That leaves us with 0.4\% of the earth’s water, in the form of rivers and underground aquifers, to try to utilize for our consumption and societal development.

How much of the earth’s water is unavailable to humans?

Eventually, death would come as a result of dehydration without ever having the thirst quenched (Ocean Service). Of the waters occupying 70\% of the earth’s surface, only 3\% is considered freshwater. Furthermore, about 2.6\% of this freshwater is inaccessible to humans.

How much of the earth’s water is not safe to drink?

Ninety-seven percent of all water on the earth is salt water, which is not suitable for drinking. Only 3\% of water on Earth is fresh water, and only 0.5\% is available for drinking. The other 2.5\% of fresh water is locked in ice caps]