Question

Polishing wooden surfaces reduces friction because-
a) two polished surfaces repel each other
b) it knocks out irregularities
c) layers of polish can move against each other
d) none of these​

Answer 1

Answer:

none of these

Explanation:

because it makes the surface smoot

Answer 2

Answer:

b ) knocks out irrigularities

Explanation:

it makes the surface smooth so the friction reduces