5.9.1.4 how carbon dioxide decreased Flashcards

1
Q

What decreased the percentage of carbon dioxide in the atmosphere

A

Algae and plants photosynthesising

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Carbon dioxide was also decreased by the..

A

Formation of sedimentary rocks and fossil fuels that contain carbon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly