Question

Substance which is used to reduce friction in the machine:-
a.) oil of grease
b.) sand
c.) water
d.) petrol​

Answer 1

Answer:

${\Huge{\fcolorbox{orange}{ORANGE}{Answer}}}$

Substance which is used to reduce friction in the machine:-

oil of grease

Answer 2

Answer:

sand

i hope my answer is correct and use ful for u

Explanation: