glossary terms
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define biosphere
made up of the animals on earth
define lithosphere
made up of the rocks on earth
deifne hydrosphere
made up of the water on earth including ice
define atmosphere
made up of the gases on earth
define respiration
plants and animals brwak down sugars for energy and release carbon dioxide into the atmosphere
define decompostion
the breaking down of dead animals and plants
define combustion
the burning of fossil fuels
define weathering
the breaking down of rock to release carbon dioxide
define photosynthesis
the process where by plants us carbon, sunlight and water to make glucose and oxygen
define lithification
the process by whuch loose sediments are formed into rock
define carbonification
the formation of fossil fuels from dead organic matter
define carbon sink
a carbon sink is anything that absorbs more carbon than it releases
define carbon source
a carbon source is anything that releases more carbon than it absorbs