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12.Ecosystem
normal
About how much water is recycled in the form of rains per year
A
$< 4.46 $ times $10^5$$>$ gram per year
B
$< 4.46$ times $10^{10}$$> $ gram per year
C
$< 4.46$ times $10^{20}$$>$ gram per year
D
$< 4.46$ times $10^{30}$$> $ gram per year
Solution
(c)The total world precipitation amounts to $4.46×$ $10^{20}$ $G$ per year. This means that the atmosphere must be refilled with water vapours $ 34 $ times in a year.
Standard 12
Biology
