FOTenvPractice

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Number 1. Water is a precious resource, and a resource we depend on for our life. Only (blank)% of the world’s supply is drinkable.

Correct Answer: 1

Number 2. Humans use technological processes and natural processes with (blank) and (blank) effects.

Correct Answer: positive and negative

Number 3. All materials are (blank) or (blank).

Correct Answer: renewable or exhaustible.

Number 4. is gradually being destroyed by man-made chemicals, including chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), halons, methyl bromide, carbon tetrachloride, and methyl chloroform.

Correct Answer: Ozone

Number 5. (blank) resources are in limited supply in nature. When they are used up they will be gone and can never be replaced

Correct Answer: Exhaustible

Number 6. One type of air pollution is the release of(blank) (blank)into the air from burning fuel for energy.

Correct Answer: Particulate Matter

Number 7. (blank) is a type of large-scale outdoor pollution. It is caused by chemical reactions between pollutants derived from different sources, primarily automobile exhaust and industrial emissions. Cities are often centers of these types of activities, and many suffer from it's effects.

Correct Answer: Smog

Number 8. another consequence of outdoor air pollution is (blank) (blank). (when a pollutant, such as sulfuric acid combines with droplets of water in the air.)

Correct Answer: acid rain

Number 9. In 1985 the Environmental Protection Agency (EPA) reported that toxic chemicals found in the air of almost every American home are three times more likely to cause some type of (blank) than outdoor air pollutants.

Correct Answer: cancer