The water, carbon, and nitrogen cycle terms

terms from the water, carbon, and nitrogen cycle
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photosynthesis
carbon dioxide enters plants from the atmosphere
respiration
glucose is broken down into energy by cells and CO2 is released into the atmosphere
decomposition
when living things die, the carbon in their tissues breaks down and enters the ground
human activity
humans burn fossil fuels as a source of energy which releases massive amounts of carbon dioxide in the atmosphere
co2 in atmosphere
greenhouse gas
nitrogen fixation
bacteria change nitrogen gas into usable nitrogen gas
denitrification
bacteria turn nitrogen into unusable nitrogen gas
n2 in atmosphere
most abundant gas in atmosphere
precipitation
any form of h2o that falls from the sky, and lands on earth
evaporation
when water is converted from the liquid form to its vapor form and heads to the atmosphere
runoff
the movement of land water to the oceans
seepage
seeping; leaking
transpiration
the evaporation of water from plants
condensation
the change of water from its gaseous form to liquid water