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Earth Systems

QuestionAnswer
atmosphere The gases surrounding a planet or moon, held by gravity
biosphere The collection of organisms on earth
biodiversity the variety of life on Earth or in a particular region
carbon dioxide The primary greenhouse gas emitted by human activities
carbon footprint The amount of carbon dioxide released by a human activity
climate Average weather conditions of a region over a long period of time
climate change Any change in the climate of a region or the entire planet
fossil fuel An energy source from the remains of ancient organisms
geosphere A planet's rocks, metals, soils and sediments
global warming A gradual increase in global mean surface temperature
greenhouse effect A natural warming of a planet's surface and lower atmosphere
greenhouse gas A gas that can absorb and re-emit infrared radiation
hydrosphere Water on or near the surface of a planet
weather Atmospheric features that change on a day to day basis
Created by: justineforrest
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