A) Green-house effect
B) El Nino effect
C) Ozone hole
D) Eutrophication
Correct Answer: A
Solution :
[a] The given figure shows the phenomenon of greenhouse effect. Greenhouse effect is a naturally occurring phenomenon that is responsible for heating of earth surface and atmosphere. The sunlight or solar energy when enters atmosphere, about \[{}^{1}/{}_{4}\] of it is reflected back due to clouds and gases in the outermost atmosphere, some of it is absorbed, and about half of solar radiation falls on the earth surface for heating it, though a small proportion of it is reflected back from earth.You need to login to perform this action.
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