7. What is the importance of the grasses and leaves in the control of
soil erosion?
A. They add beauty to the land.
B. They increase the crop harvested.
.
C. They protect the washing away of soil.
D. They obstruct the flow of water absorbed by the trees.
8. What will happen if soil erosion continues?
A. It helps the farmers to yield more crops.
B. It causes harmful effects to living things and the environment.
C. It contributes to the growth of plants and wildlife.
D. It strengthens the soil quality that is beneficial to vegetation.
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