Question

1.why do the soles of our shoes easily wear out?
(A)due do difference in the material of the sole
(B) Due to poor design.
(C)Due to friction.
(D)Due ti their size
2. which is the following forces is necessary for a person to climb the mountain? (A) Gravitational force.
(B) Electrical force.
(C) Frictional force.
(D) Magnetic force​

Answer 1

Answer:

1. c) due to friction

2. c) frictional force