Question

b. Which is an advantage
of friction
O I. It helps to walk
O
II. It help to hold objects in our
hands
III. It is useful to apply brakes
on vehicles,
ОО
O IV. All of these​

Answer 1

Answer:

iv all of these

hope it's helpful for u

Answer 2

Answer:

IV. All of these

Explanation:

IV. All of these