|
|
3
|
oil, coal, or natural gas
|
5
|
the gaseous envelope surrounding the earth; the air.
|
8
|
a colorless, odorless, incombustible gas, CO 2
|
9
|
the earth is getting hotter because of it
|
10
|
the air we breathe to survive
|
12
|
you are to watch over and care for earth
|
13
|
inhalation and exhalation of air; breathing.
|
14
|
Contamination of air by smoke and harmful gases
|
|
|
|
|
1
|
emissions produced by outgassing of rock, brick, etc. (health hazard)
|
2
|
precipitation(rain) containing relatively high concentrations of acid-forming chemicals
|
4
|
Environmental Protection Agency
|
6
|
comes from plants
|
7
|
a mixture of smoke and fog
|
11
|
any such fluid or mixture of fluids
|
|
|