IB Physics HL B.2.7 Greenhouse gases Question Bank

Practise IB Physics HL B.2.7 by evaluating greenhouse gases and natural or human drivers that change the rate of global warming.

Exam points

Distinguish greenhouse gases from oxygen and relate their concentrations to radiative warming.
Evaluate natural and human drivers of warming, including forest loss, methane release and ocean carbon uptake.

[Maximum number: 1]

Nuclear fuels, unlike fossil fuels, produce no greenhouse gases.

Identify two greenhouse gases.

1.

2.

methane $/ \mathrm{CH}_{4}$ , water vapour $/ \mathrm{H}_{2} \mathrm{O}$ , carbon dioxide $/ \mathrm{CO}_{2}$ , nitrous oxide $/ \mathrm{N}_{2} \mathrm{O}$ ; Award [1] for two of the above.

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B.2.7—Greenhouse gases question 1