Direction: Write the letter of the correct on the space provided.
__1. What is the breaking down of rocks into smaller pieces that result in the deformation of landforms?
A. landslide
B. sediments
C. coil erosion
D. weathering
__2. What process takes place when rock fragments and soil moves from one place to another?
A. mine tailings
B. sediments
C. soil erosion
D. weathering
__3. Which of the following situations is NOT an effect of soil erosion?
A. flooding
B. improved water quality
C. poor soil quality
D. water pollution
__4. Which of the following is NOT a factor that would cause soil erosion?
A.excessive plowing of the field
B. planting trees on bare land
C. heavy rains and strong winds
D. removing vegetation cover
__5. What do you call the effect of weathering and soil erosion that lessens the crop harvest, where food will be expensive and most people will have a tendency to become malnourished and be easily affected by disease?
A. change of landforms
B. food shortage
C. mine tailings
D. siltation
__6. What do you call the effect of weathering and soil erosin where sediments pile up and become hard like rock that many prevent the cycle of water in dams or fisheries?
A. change of landforms
B. food shortage
C. mine tailings
D.siltation
__7. What is the effect of soilerosion brought about by poisonous chemicals which eroded from mining sites, and may cause harm to both plants and animals in surrounding waters areas?
A. change of landfroms
B. food shortage
C. mine tailings
D. siltation
__8. How does soil erosin occur?
A. cutting down of tress
B. overgrazing by animals
C. forest fires
D. the choices are all correct
__9. How does soul erosion affect the topsoil?
A. it keeps the topsoil more fertile.
B. it keeps the topsoil always moist
C. it tranports the good soil to other places
D. it washes away the nutrients in the topsoil
__10. How does weathering and soil erosoin affect living things and the environment?
A. change of landform
B. flooding and siltation
C. food shortage
D. the choices are all correct