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1. What is a small, separate bit of material, such as a granular substance or powder, suspended in gas or liquid?
a. aquifer
b. particulate
c. solvent
d. toxin |
| Answer: b |
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2. Which type of pollution are diesel fuel, oil, paint, solvents, cleaners, and other harmful chemicals a special concern?
a. noise pollution
b. radioactive pollution
c. thermal pollution
d. water pollution |
| Answer: d |
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3. What means to reduce or lessen?
a. augment
b. exacerbate
c. intensify
d. mitigate |
| Answer: d |
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4. What is diffused contamination with an untraceable origin?
a. non-point source pollution
b. non-renewable resource
c. point source pollution
d. renewable resources |
| Answer: a |
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