Direction: Choose the letter of the correct answer.

1. This agent of weathering breaks rock on the coastal areas, shore line and bay areas.

a. air

b. water

c. human

d. plant

2. Many activities of man could break rock. Which of the following human activities is one of them?

a. cooking

b. washing clothes

c. mining

d. office work

3. Which plant life processes could lead to weathering?

a. growing roots on rocks

b. blooming flowers

c. germination of seed

d. bearing fruits

4. On the desert areas where there are amazing rock formations, what agent is responsible for such a beautiful rock sculpture?

a. water

b. human

c. plant

d. air

5. What happen to the rocks upon exposure to high temperature during the day?
a. it will expand

b. it will contract

c. it will break

d. it will ignite into a fire ​