Greenhouse Gases Flashcards
0
Q
Why does our planet need a greenhouse effect?
A
To stay warm enough to support life and for enzymes
1
Q
What human activities create greenhouse gases? (4)
A
Burning fossil fuels
Rear cattle- produces methane
Rice farming- methane
CFCs in the past- refrigerators and aerosols
2
Q
How do greenhouse gases like CO2 act?
A
Prevents reflecting energy from escaping to space
3
Q
What are the consequences of global warming? (3)
A
Ice sheets melting- rise in sea levels, flooding
Changing rainfall patterns- desertification
Habitat destruction- extinction
