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|
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2
|
contamination of air by harmful substances
|
|
3
|
Where is the jet stream located?
|
|
4
|
Which layer of the atmosphere are there ions?
|
|
5
|
A breeze that blows from the land to the sea
|
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6
|
The _________________ particulate matter is the most dangerous.
|
|
7
|
a pollution that comes from an identifiable source
|
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8
|
acid snow, acid rain are both forms of?
|
|
9
|
What pulls objects towards Earth?
|
|
11
|
What is the only substance that can exist as a solid, liquid and gas on Earth?
|
|
12
|
The majority of sunlight is what kind of light?
|
|
14
|
A breeze that blows from the sea to the land
|
|
15
|
All things absorb ______________________ from the sun.
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|
18
|
What layer of the atmosphere is the farthest away from us?
|
|
21
|
____________ of the sun's energy comes to the surface.
|
|
22
|
What does our atmosphere act like to protect us from the sun?
|
|
23
|
transfer of thermal energy through movement of matter
|
|
25
|
What in the stratosphere helps protect us from the sun's rays?
|
|
26
|
Transfer of thermal energy through collisions
|
|
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