Question

which one out of the following is an advantage of friction

a)less of energy
b)less of heat
c)walking on the road
d)wear and tear​

Answer 1

Answer:

walking on road

this is your answer that you had asked

because while you are walking on the road the friction helps you to not slide down

Answer 2

Answer:

3 walking on the road.

Explanation:

loss of energy decrease the efficiency of machines same is with the heat and wear and tear which damage our vital machines. walking is essential for us as no work can be done without walking.