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Troposphere is...
pressure.
20%
jet streams.
densest layer, contains almost 90% of the atmosphere’s mass, where we live
temperature differences
altitude
air pressure.
nitrogen: 78%; oxygen: 21%; other gases: 1%
Which of the following shows the composition of Earth’s atmosphere?
pressure.
20%
jet streams.
densest layer, contains almost 90% of the atmosphere’s mass, where we live
temperature differences
altitude
air pressure.
nitrogen: 78%; oxygen: 21%; other gases: 1%
What causes local winds?
pressure.
20%
jet streams.
densest layer, contains almost 90% of the atmosphere’s mass, where we live
temperature differences
altitude
air pressure.
nitrogen: 78%; oxygen: 21%; other gases: 1%
Narrow belts of winds that can reach 400 km/h are called
pressure.
20%
jet streams.
densest layer, contains almost 90% of the atmosphere’s mass, where we live
temperature differences
altitude
air pressure.
nitrogen: 78%; oxygen: 21%; other gases: 1%
Wind occurs because air tends to move from regions of higher to lower
pressure.
20%
jet streams.
densest layer, contains almost 90% of the atmosphere’s mass, where we live
temperature differences
altitude
air pressure.
nitrogen: 78%; oxygen: 21%; other gases: 1%
Wind occurs because of differences in
pressure.
20%
jet streams.
densest layer, contains almost 90% of the atmosphere’s mass, where we live
temperature differences
altitude
air pressure.
nitrogen: 78%; oxygen: 21%; other gases: 1%
Air pressure decreases as what increases?
pressure.
20%
jet streams.
densest layer, contains almost 90% of the atmosphere’s mass, where we live
temperature differences
altitude
air pressure.
nitrogen: 78%; oxygen: 21%; other gases: 1%
About how much of Earth’s atmosphere is oxygen?
pressure.
20%
jet streams.
densest layer, contains almost 90% of the atmosphere’s mass, where we live
temperature differences
altitude
air pressure.
nitrogen: 78%; oxygen: 21%; other gases: 1%
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