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- 1. Multiple Choice
What gas composes about 20% of the Earth's atmosphere?
oxygen
nitrogen
carbon dioxide
- 2. Multiple Choice
What type of air pressure is caused by warm air rising in a hurricane?
occluded
low
stationary
high
- 3. Multiple Choice
Air pressure ________ as you go higher up in the atmosphere
increases
decreases
- 4. Multiple Choice
How does the atmosphere help support life on Earth?
providing oxygen
protecting from solar radiation
regulating the temperature
all of the above
- 5. Multiple Choice
______ winds are those that are strongly influenced by the Earth's terrain (mountains, vegetation or bodies of water)
global
local
- 6. Multiple Choice
What force holds the atmosphere to the Earth?
centrifugal force
coriolis force
pressure gradient force
gravity
- 7. Multiple Choice
The greater the difference in air pressure, the greater the wind speed.
True
False
- 8. Multiple Choice
What science studies forces and processes that produce weather?
astronomy
meteorology
geology
oceanography
- 9. Multiple Choice
Clouds are formed by the ______ motion of air
upward
downward
- 10. Multiple Choice
Cyclones are _____ pressure centres
low
high
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