A) \[<4.46\text{ }times\text{ }{{10}^{5}}>\]gram per year
B) \[<4.46\text{ }times\text{ }{{10}^{10}}>\]gram per year
C) \[<4.46\text{ }times\text{ }{{10}^{20}}>\]gram per year
D) \[<\text{ }4.46times\text{ }{{10}^{30}}>\]gram per year
Correct Answer: C
Solution :
The total world precipitation amounts to \[4.46\times {{10}^{20}}\]G per year. This means that the atmosphere must be refilled with water vapours 34 times in a year.
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