_______ of the earth is covered by water.
Answers
Answer:
71 percent
Explanation:
71 percent
Earth is known as the "Blue Planet" because 71 percent of the Earth's surface is covered with water. Water also exists below land surface and as water vapor in the air. Water is a finite source.
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Three fourths
Three fourths of the Earth is covered by water. In that 75%, majority is salty water and fresh water is found in very less proportion. It is surprising that we are surviving due to that small amount of fresh water.
Similarly, the atmosphere of Earth, which is held by the Gravitational force, is divided into several parts due to the concentration of several gases. Nitrogen gas (N2) is present about 78.9% and Oxygen Gas (O3), 20.1%. Argon, CO2, H2O vapour is present in very small quantities.