Question

Fill in the blanks :
1.More _____ and more surface area in contact means more friction.
2.To hold an object firmly,____ between the object and the hand is important. ​

Answer 1

Fill in the blanks :

1.More activity and more surface area in contact means more friction.

2.To hold an object firmly, acts between the object and the hand is important.

Answer 2

Explanation:

1.rougher,activity

2.act