4.4 Climate Change

Question 1

Define Greenhouse Gases

Answer 1

Absorb long wave radiation & re-emit as heat energy

Question 2

2 common type of gases

Answer 2

Carbon dioxide and water vapour

Question 3

How does carbon dioxide contribute to greenhouse effect

Answer 3

Release: Cell respiration & by photosynthesis

Removed: Photosynthesis

Question 4

How does water vapour contribute to greenhouse effect

Answer 4

Added: Through evaporation

Removed: Condensation
rain, snow & hail

Question 5

Other 2 uncommon type of gases

Answer 5

Methane & Nitrous Oxides

Question 6

How does Methane contribute to greenhouse effect

Answer 6

Emitted from: Waterlogged habitats, landfills, fossil fuel extraction & melting polar ice

Question 7

How does Nitrous Oxides contribute to greenhouse effect

Answer 7

Released by: Bacteria in some habitats, Agriculture & vehicle exhausts

Question 8

Factors that affect the impact of greenhouse gases

Answer 8

• The ability to absorb long wave radiation

- The concentration in the atmosphere.