(6.2) Greenhouse Effect & GW

Question 1

Greenhouse gases

Answer 1

C02! Most imp! Remains in ats 4 V Long
Methane produced when; MO bd org mols; during decomposition
When MO in animals intestine digest food (cows)

Question 2

GW

Answer 2

Increase in mean global temp

Question 3

Consequences of global warming

Answer 3

Ice caps melting=extinction
\+sealevel
Flooding 
Crop growing = diff
\+temp, -RF = no crops
DR species grown 
Only xerophytes 
Greater rainfall & storms = alter distribution of plants 
Life cycle of pop/insects would change
GW will affect niches, & species will migrate = bad competition

Question 4

What is GH effect

Answer 4

Natural 
24/7
Earth avg = 17.C
Solar radiation. Reflected back into space 
Some absorbed by ats 
Some reaches earth!