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Although we are not completely certain about the origin of water on Earth, it seems that there have been a lot of comet impacts, much earlier in the Earth's history, and those comets brought our planet lots of water, which now covers most of the surface of the Earth.

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Q: Why is most of Earth's surface is covered by oceans?
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Where is most of the water found on the earth?

the oceans


What covers most of earths surface?

The earth is actually mostly covered by water. 73% of the earth is covered by water and only 3% is freshgrasslands


Where on earths surface does most most precipitation fall?

Where on earth surface does most precipitation fall


What are the surface earths most valuable metals?

Gold and silver


What is the source of most water that evaporates from earth surface?

The main source is formed by sea and oceans.

Related questions

Where is all of the water on or near earths surface?

Most of earth's surface water is in the oceans. The second largest bodies are the polar ice caps. Groundwater (water below the surface) exceeds that in all earth's freshwater lakes, rivers, and streams--which account for the remainder of earth's surface water.


What is the large area of Earth's surface covered with?

Most of the earths surface is covered with water. There is land under that water though, below the surface.


What contains the most of the earths water?

Well! the earth is covered by water which 70% and the part of the earth have oceans so the part that holds the most water is oceans.


Where is most of the water found on the earth?

the oceans


What source of most water evaporates from earths surface?

Water is evaporated from oceans, seas, lakes, rivers.


What covered most of earths surface at the beginning of the second era?

Warm, shallow seas covered much of Earth's surface during early Paleozoic time.


What covers most of earths surface?

The earth is actually mostly covered by water. 73% of the earth is covered by water and only 3% is freshgrasslands


Where is most of earths surface water?

In the Sea/Oceans, Lakes, Rivers, Ponds, Puddles, Streams etc.


What state of water is most common on Earths surface?

Liquid water--oceans, seas, lakes, rivers, aquifers, and streams.


Where is most of the earths gold?

oceans, in solution.


Where are most of the earths volcanoes hidden?

The Oceans


What is the water area of the earth?

Approximately 75% of the Earth's surface is covered by saltwater oceans.About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. But 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.