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15 questions
How does air pressure change as you climb a mountain?
it decreases (less air pressure)
it increases (more air pressure)
stays the same
the temperature gets warmer
Which temperature of air weighs more?
warm
cold
What protects Earth from ultraviolet rays from the sun?
ozone layer
mesosphere
air pressure
troposphere
In which temperature of air do the molecules spread out and take up more space?
cold
warm
What gas makes up the majority of the atmosphere?
oxygen
nitrogen
water vapor
carbon dioxide
What layer of the atmosphere is closest to outer space?
mesosphere
exosphere
troposphere
stratosphere
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