[Solved] Why is it important to avoid blocking natural drainage while constructing roads in hilly areas?

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Q.	Why is it important to avoid blocking natural drainage while constructing roads in hilly areas?
A.	To prevent water accumulation and soil saturation
B.	To improve road aesthetics
C.	To reduce construction costs
D.	To enhance biodiversity
Answer» A. To prevent water accumulation and soil saturation
Explanation: Blocking natural drainage can lead to water accumulation, saturating the soil and increasing landslide risk.

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