carbon cycle Flashcards
(4 cards)
1
Q
how does carbon enter the atmosphere?
A
in the form of Co2 from 1. exhaling (respiration) 2. burning of fossil fuels
2
Q
how is carbon removed from the atmosphere
A
photosynthesis, co2 dissolves in rain and sea
3
Q
problems with the carbon cycle
A
more carbon is being released into the atmosphere that can be used up
4
Q
A