1. Known as man's source of food.
a. clouds
b. trees
c. sky
d. soil
2. The gas that plants give off
a. oxygen
b. helium
c. carbon dioxide
d. carbon monoxide
3. The gas needed by man to live.
a. oxygen
b. helium
c. carbon dioxide
d. carbon monoxide
4. A chemical derived from trees.
a. resin
b. fiber
c. sugar
d. rayon
5. The process of planting new trees in place of old ones that have been cut down
a. Deforestation b. Reforestation c. Isolation
d. Resolution
6. Plants need the following in order to grow healthy EXCEPT ONE
a. Sunlight b. Oxygen
c. Water
d. Plot
7. It is all right to cut trees for as long as it is replenished. The statement is
a. True
b. False
c. Partly correct d. Partly False
8. The massive cutting of trees is known as
a. Deforestation b. Reforestation
c. Isolation
d. Resolution
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Answer:
1.B?
2.A
3.A
4.A
5.B
6.D
7.A?
8.A
Explanation:
Im not sure about the others.