Question

Give an account on water on the earth including the following points.

a. Amount of Water on the earth’s surface

b. Fresh and Saline water (Amount and Sources)

c. Salinity of the oceans

d. Significance of the oceans

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Answer 1

Answer:

a. Amount of Water on the earth’s surface

Ans : 71 %

b. Fresh and Saline water (Amount and Sources)

Fresh water :2.5%

Saline water : 97.5%

c. Salinity of the oceans

The average salinity is about 35 parts per thousand. Stated in another way, about 3.5 percent of the weight of seawater comes from the dissolved salts.

d. Significance of the oceans

The air we breathe: The ocean produces over half of the world's oxygen and absorbs 50 times more carbon dioxide than our atmosphere. Climate regulation: Covering 70 percent of the Earth's surface, the ocean transports heat from the equator to the poles, regulating our climate and weather patterns.

Explanation: