Carbon Dioxide 4.40 Flashcards
1
Q
What do the greenhouse gasses usually act as
A
an insulating layer
2
Q
What do the greenhouses gasses do with heat from the earth
A
They absorb the heat then re-radiate it back in all directons
3
Q
Give 2 examples of when human activity affects the amount of carbon dioxide in the atosphere
A
Deforestation: fewer trees means less CO2 is removed from air via photosynthesis
Burning fossil fuels: Carbon inside these fuels is released as CO2
4
Q
What does extra carbon dioxide do to the earth
A
Causes the average temperature on earth to increase
