Air and Atmosphere

Air and Atmosphere
Water vapor is less dense than
temperature
air
dust
space
Author: rikazzz Comment
Air and Atmosphere
Fish exchange oxygen and carbon dioxide through gills in
liquid
water
material
solution
Author: rikazzz Comment
Air and Atmosphere
The most abundant element is oxygen within the
Earth’s crust
moon
mars
none of them
Author: rikazzz Comment
Air and Atmosphere
The first step of fractional distillation of liquefied air is to bring the air to a very
high temperature
same temperature
low temperature
extreme temperature
Author: rikazzz Comment
Air and Atmosphere
A greenhouse gas that absorbs energy and maintains the earth’s temperature is
carbon dioxide
oxygen
nitrogen
argon
Author: rikazzz Comment
Air and Atmosphere
In humid areas, the water vapor content is
higher
lower
constant
none of them
Author: rikazzz Comment
Air and Atmosphere
The main constituent in air is
nitrogen
oxygen
argon
water vapor
Author: rikazzz Comment
Air and Atmosphere
The breathing system of plants is present in
stem
roots
flower
leaves
Author: rikazzz Comment
Air and Atmosphere
A thin layer that is held in place by gravity and provides us with oxygen is known as
temperature
season
atmosphere
weather
Author: rikazzz Comment
Air and Atmosphere
Air is a mixture that makes up the
season
atmosphere
clouds
temperature
Author: rikazzz Comment

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