DEFINITION
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ANSWER
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1. Natural fertilizer.
|
C O M P O S T |
2. Illness caused by
pollution.
|
A S T H M A |
3.
Consume carbon dioxide and produce oxygen.
|
T R E E S
|
4. Gas that traps
heat from the sun.
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G R E E N H O
U S E G A S |
5. Toxic gas found on
farms and landfills.
|
M E T H
A N E |
6. The cleanest
fossil fuel.
|
N A T U
R A L G A S |
7. Describes foods
produced without chemicals.
|
O R G A N I C |
8. Impact of a human
being on earth.
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C A R B O N
F O O T P R I N T |
9. Energy from the
sun.
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S O L A R E N
E R G Y |
10.
Place where trash is sent or collected.
|
L A N D F I L L |
11.
A way to reduce waste.
|
R E C Y C L I N G |
12. Burning fossil fuels is
a main cause.
|
G L O B A L
W A R M I N G |
13. Air surrounding the earth.
|
A T M O S P H
E R E |
14. Most common greenhouse gas.
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C A R B O N
D I O X I D E |
15. Part of the earth's
atmosphere.
|
O Z O N
E L A Y E R |
16. Provides a non-polluting form
of transport.
|
B I C
Y C L E |
17. Global warming is changing
this.
|
C L I M A T E |
18. Energy that nature can
provide continuously.
|
R E N E W A B
L E E N E R G Y |
19. CGroup of
living organisms and their environment.
|
E C O S
Y S T E M |
20. International treaty.
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K Y O T
O P R O T O C O L |