changes in greenhouse gases Flashcards
1
Q
what happens when you burn fossil fuels
A
you release carbon and water (combustion)
2
Q
why does this increase carbon levels
A
CO2 which was removed millions of years ago is being brought back into the world
3
Q
why does deforestation cause increase in CO2
A
the trees being cut down release CO2 and there are less trees to take it in
4
Q
What cause increase in methane
A
Cattle farming Rice farms Landfill sites Swamps Permafrost