|
|
2
|
the wearing away of surface soil by water and wind
|
4
|
can regenerate and are therefore replaceable
|
5
|
the process of turning productive areas into deserts
|
6
|
farming of aquatic organisms
|
7
|
loss of forests
|
8
|
Using natural resources in a way that does not deplete them
|
9
|
harmful material that can enter the biosphere through the land, air, or water
|
10
|
gasses combine with water
|
|
|
|
|
1
|
can not be replenished by natural processes
|
3
|
a mixture of chemicals that occurs as a grey-brown haze in the atmosphere
|
|
|