question_answer

Given below is the cascade of events following deforestation. Select the option which arrange them in the correct sequence.

P: Erosion of top soil.

Q: River channel become shallow.

R: Eroded soil gets deposited on the river bed as silt.

S: Destruction of crops leads to starvation.

T: Shallow channels cannot hold excess water during rain and hence cause flood.

U: Floods damage agricultural crops.

A)  \[P\to Q\to R\to S\to T\to U\]

B)  \[P\to R\to Q\to T\to U\to S\]

C)  \[Q\to R\to P\to S\to T\to U\]

D)  \[P\to T\to U\to Q\to R\to S\]