Flashcards in C2 4.5 The Carbon Cycle Deck (8)
Does carbon dioxide enter the atmosphere by respiration or photosynthesis?
Does carbon dioxide leave the atmosphere by respiration or photosynthesis?
Name two processes which add carbon dioxide into the atmosphere
Respiration and combustion
Name two processes which remove carbon dioxide from the atmosphere
Photosynthesis and dissolving in oceans
When land-based animals, plants and soil decompose in the absence of oxygen, what is eventually formed?
4 in 10,000 particles of air are carbon dioxide. What is this as a percentage?
Name six carbon stores
The atmosphere, oceans, sedimentary rocks, fossil fuels, plants and animals, soil