7. Which of the following is a non-biodegradable material?
A. bond paper B. banana leaves C. cardboard box D. rubber slippers
8. Which of the following is another term for decaying materials?
materials
A. hard
D. shining
B. heavy
C. rotting
9. What is meant by the word "decay" in science?
A To move from a lower position to a higher one
B. The act or fact of coming into life, or of being born
C. The slow increase of size in animal or vegetable body over time
D. The breaking down or rotting of organic matter through the action of
bacteria and/or other organisms
10. Which of the following materials can be recycled?
A used motor oil
C. disposable diaper
B. busted light bulbs
D. empty soft drink bottle
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Answer:
Explanation:
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Answer:
7.D
8.C
9.D
10.D
Explanation:
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