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Terms in this set (26)
Why is carbon important?
Key element in all living thing organisms
Store and release carbon slowly
Types of carbon reservoirs
Reservoirs that absorb more carbon than they release
Types of carbon sinks
How do oceans store carbon?
-Some carbon dioxide from the atmosphere becomes dissolved
How do trees store carbon?
Converts atmospheric carbon into carbohydrates
What does cutting down trees do to the carbon?
Does not release carbon but prevents it from storing any more carbon
Hydrocarbons found within the top layer of Earth's crust; coal, oil and gas
What do fossil fuels become during burning?
They become carbon sources
More carbon is released than stored
Cycling of carbon through ecosystems
What two processes are mainly responsible for carbon cycling?
Photosynthesis and cellular respiration
What releases carbon dioxide gas?
-Burning fossil fuels
-Cutting & burning forests
2 carbon containing containing compounds used in greenhouse gases?
Act like the glass of a greenhouse by trapping heat from the Sun in the atmosphere
The warming effect created by the ability of Earth's atmosphere to trap thermal energy
What would happen if there wasn't a certain amount of greenhouse gases?
Earth would be too cold
A cycle closely linked to the carbon cycle?
Main source of oxygen
What is air composed of?
Nitrogen and oxygen
What is the most abundant element in the Earth's crust?
How is oxygen released in water?
-Oxygen gas is dissolved in water through movement of the water
-Photosynthesis with aquatic plants and phytoplankton
Describes the path of oxygen through the ecosystems
Respiration that uses oxygen to release energy in carbohydrates
Bacteria that do not require oxygen to release energy from carbohydrates
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