Question

we are observe that land barren after moonsoon
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Answer 1

Answer:

The plants grow in moist soil but they need water for reproduction which is only possible in monsoon.

In the season of monsoons, there is water available for the growth of plants.

but ...after mansoon land are barren ..

Answer 2

The first organism that appear on the barren land is lichen and moss that require moist soil for their growth which is found in the rainy season. These plants grow in moist soil but they need water for reproduction which is only possible in monsoon