ENV 230 Review Questions helpppppp

1. Physical weathering is characterized by:

a)The chemical interaction of water with parent material
b) Organisms breaking down parent material
c) Wind or rain breaking down parent material
d) The dislodging or movement of soil by wind

2. Erosion increases through all of the following, except: 

a) Excessive tilling
b) Overgrazing
c) Clearing forests
d) All of the above increase erosion

3. Which sustainable farming method involves planting rows of trees along field edges to slow the wind? 

a) Terracing
b) Crop rotation
c) Shelterbelts
d) Contour farming

4. Which one of the following would be best to reduce soil erosion on a hillside?
   
a) crop rotation
b) contour farming
c) shelterbelts
d) terracing