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2-4 Test

Enter the letter for the matching Definition
incorrect
1.
layer
incorrect
2.
pesticide
incorrect
3.
smog
incorrect
4.
crop rotation
incorrect
5.
conservation
incorrect
6.
irrigation
A.
thick haze of smoke and chemicals
B.
changing what crops farmers plant in a field from year to year
C.
a thickness or fold
D.
powerful chemicals that kill crop-destroying insects
E.
careful use of resources to avoid wasting them
F.
process of collecting water and distributing it to crops
Type the Term that corresponds to the displayed Definition.
incorrect
7.
variety of plants and animals living on the planet
incorrect
8.
cutting down of forests without replanting new trees
incorrect
9.
a method of accomplishing something
incorrect
10.
buildup of certain gases in the Earth's atmosphere that, like a greenhouse, retain the sun's warmth
incorrect
11.
place shared by plants and animals that depend on one another for survival
incorrect
12.
chemicals from air pollution that combine with precipitation

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Created by: akennon
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