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Science CH3 L3

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1.
10 points
Which layer of the atmosphere has no definite outer limit?
2.
10 points
In which layer can air temperatures reach 1,800 °C?
3.
10 points
The troposphere is the thickest over the equator.
4.
10 points
The upper stratosphere is cooler than the lower stratosphere.
5.
10 points
The ionosphere is the lower layer of the thermosphere.
6.
10 points
The mesosphere contains the ozone layer.
7.
10 points
Most meteoroids burn up in the ionosphere.
8.
10 points
Water forms thin, feathery clouds of ice at the top of the exosphere.
9.
10 points
Whichever layer is just above the stratosphere?
10.
10 points
In which layer does Earth's weather occur?
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