Question

It is more difficult to walk on a sandy road than on a concrete road because

(A) sand is soft and concreter is hard

(B) the friction between sand and feet is less than that between concrete and feet

(C) the friction between sand and feet is more than that between concrete and feet

(D) the sand is grainy but concrete is smooth

Answer 1

Heya!!

●It is more difficult to walk on a sandy road than on a concrete road because the friction between sand and feet is less than that between concrete and feet

Option b

Thanks!

Answer 2

ANSWER

OPTION (B)✓

The friction between sand and feet is less than that between concrete and feet.

hope it helps