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no definite shape or volume


the mass of air surrounding the Earth


the spatial property of being crowded together

Carbon Dioxide

a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances


the meteorological conditions: temperature and wind and clouds and precipitation


the weather in some location averaged over some long period of time


people who study climate




the ratio of reflected to incident light


(medicine) the treatment of disease (especially cancer) by exposure to radiation from a radioactive substance

Milankovich Cycles

Natural cycles in the Earths position (changes in orbit, axis tilt and precession) that are used to explain climate changes over the last 400,000 yrs.


the solid part of the earth consisting of the crust and outer mantle


the watery layer of the earth's surface


the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist


coal or charcol, an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond


an organic compound containing only carbon and hydrogen


water that falls from the atmosphere to the Earth as rain,sleet , or snow, overly eager speed (and possible carelessness)

Carbon Cycle

the organic circulation of carbon from the atmosphere into organisms and back again


the starches and sugars present in foods

Greenhouse Effect

warming that results when solar radiation is trapped by the atmosphere


a colorless odorless gas used as a fuel

Nitrous Oxide


Greenhouse Gases

Gases such as carbon dioxide, methane, nitrous oxide, water vapor, and ozone in the atmosphere which are involved in the greenhouse effect.

Infared Radiation

A form of radiation that has a longer wavelength than visible light does and cannot be seen with the naked eye., a form of energy with wavelengths that are longer than red light

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