7. Which process refers to the movement of rocks and soil from one place to another? a. weathering b. erosion c. sediments a quarrying 8. Heavy rains were experienced last night. When Jun woke up this morning, he noticed that there was mud in their front yard. What agent of erosion caused this? a. animal b. water c. human d. wind 9. How do humans aggravate soil erosion? a. by planting c. by hunting animals in the forest b. by building houses d. by indiscriminate cutting of trees 10. Which of the following materials is transported by erosion? a. rocks b. sediments c. soil d. water 11. Which of the following is NOT cause of erosion? a. human b. soil c. water d. wind 12. How do humans contribute to soil erosion? a. when we walk c. when we do gardening b. when quarrying d. all of these 13. How does erosion affect the land with steeper slope? a. rock formation C. possibility of landslide and rockslide b. breaking down of rocks d. all of the above

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