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About 71% of the Earth's surface is covered by water, which translates to approximately 7.1 tenths. This includes oceans, seas, lakes, and rivers, with the vast majority being saltwater in the oceans. The remaining 29% of the surface is land.

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4mo ago

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What fraction of the worlds surface is Asia?

Asia covers approximately 30% of the world's total land area, making it the largest continent. In terms of the Earth's total surface, which includes both land and water, Asia accounts for about 10% of the Earth's surface. This significant portion underscores Asia's vastness and diverse geography.


Nine tenths of an iceberg is hidden under water so what fraction can you see?

1/10 because 9/10 and 1/10 make 1 (a whole, in this case a whole iceberg).


What percentage of the worldswater is salt water?

97% of the worlds water is Salt water. 71% of the world is Covered by Saltwater.


What is seven tenths of earths fresh water?

Seven-tenths of Earth's fresh water is primarily found in glaciers and ice caps, particularly in Greenland and Antarctica. This significant portion is not readily accessible for human use, as it is locked in ice. Only a small fraction of fresh water is available in rivers, lakes, and underground aquifers for consumption and irrigation. Therefore, while seven-tenths represents a large quantity, the actual usable fresh water is much less.


What is the reason between the floating paper clip and the tissue paper?

The floating paper clip and tissue paper demonstrate the principles of surface tension and density. The paper clip, although denser than water, can float due to surface tension, which creates a "skin" on the water's surface that supports the weight of the clip. In contrast, the tissue paper is less dense and absorbs water, causing it to become saturated and sink. This experiment highlights how surface tension can counteract gravity under certain conditions.