a mixture of gases that surrounds a planet, moon, or other celestial body.
100
what is the percentage of oxygen is in the air
21%
100
what is the def of thermal expansion
the increase in volume that results from an increase in temp
100
what is the def of wind
What is the movement of air caused by differences in air pressure
100
what is the def of air poultion
the contamination of the atmosphere by the introduction of pollutants form human and natural resources
200
what is the def of air pressure
the measure of the force with which air molecules push on a surface
200
what is the lowest sphere where weather is happening
troposphere
200
what is the def of thermal energy
the kinetic energy of a substance's atoms
200
what is the def of coriolis effect
the apparent curving of the path of a moving object from an otherwise straight path due to earths rotation
200
what is the def of particulate
particle pollutants can be easier to see than gas pollutants
300
what is the def of the ozone layer
the layer of the atmosphere at an altitude of 15 to 40km in which ozone absorbs ultraviolet solar radiation
300
what is the sphere right below the ozone layer
stratosphere
300
what is the def of heat
the energy transferred between objects that are different temps
300
what is the def of global winds
a gradual increase in average global tempature
300
what is the def of smog
when ground-level ozone and vehicle exhaust react in the presence of sunlight
400
what is thee def of the greenhouse effect
the warming of the surface and lower atmosphere of earth that occurs when water vapor, carbon dioxide, and other gases absorb and reradiate thermal energy
400
what is the highest sphere
troposphere
400
what is the def of temperature
a measure of how hot or cold something is; specifically, a measure of the average kinetic energy of the particles in an object
400
what is the def of jet streams
a narrow band of strong winds that blow in the upper troposphere
400
what is the def of acid precipitation
precipitation such as rain,sleet,or snow that contains acid from air pollution
500
what is the percentage nitrogen is in the air
78%
500
what is the coldest sphere
mesosphere
500
what is the def of radiation
is the transfer of energy as electromagnetic waves
500
what percentage is of other gases
1%
500
what is the def of air quality
a measure of the pollutants in the air that is used to express how clean or polluted the air is