C. Directions: Choose the letter of the correct answer and write it on the blank.
11. What are the two forces of nature that contributes mostly in the weathering of rocks?
a. fire and water b. sun and moon c. water and wind
12. What causes the surface of the rock to break when it absorbs the heat and pressure?
d. wind and plants
a. sun
b. human
c. animals
13. How do winds contribute to the weathering process?
d. organisms
a. It just simply blows to the rock surface.
b. It produces electricity that makes the rock blast.
c. It throws the rock in the backyard of your neighbor.
d. It sometimes intensifies the force of the water to break rocks especially when there is
typhoon.
14. What agent causes the rock to break when they bump with each other because of strong
current in the seas and rivers?
b. wind
a. sun
C. water
d. people
15. Why do rocks in other places formed a mushroom shape?
a. It is due to the microorganisms living in the rock.
b. It is due to windblows that make the shape of the rock.
c. It is due to the rainfall that falls on the surface of the rock.
d. It due to the chemicals that people are throwing to the rock.​