14. Which of the following is NOT a factor that would cause soil erosion?
A. excessive plowing of the field C. planting trees on bare land
B. heavy rains and strong winds D. removing vegetation cover
15. What do you call the effect of weathering and soil erosion that lessens the crop harvests.
where food will be expensive and most people will have a tendency to become
malnourished and be easily affected by diseases?
A. change of landforms
B. food shortage
C. mine tailings
D. siltation
16. What do you call the effect of weathering and soil erosion where sediments pile up and
become hard like rock that may prevent the cycle of water in dams or fisheries?
A. change of landforms
B. food shortage
C. mine tailings
D. siltation
_17. What is the effect of soil erosion brought about by poisonous chemicals which eroded
from mining sites, and may cause harm to both plants and animals in surrounding water
areas?
A. change of landforms
B. food shortage
C. mine tailings
D. siltation
18. How does soil erosion occur?
A. cutting down of trees
B. forest Fires
C. overgrazing by animals
D. the choices are all correct​