Question detail

Which of the following is NOT considered a greenhouse gas?

Try the question, check the answer, then read the explanation to understand the curriculum point.

At a glance

MCQ

Type

practice

Style

Topic

Carbon dioxide and methane as greenhouse gases

Question

  1. A. Carbon dioxide
  2. B. Methane
  3. C. Oxygen
  4. D. Water vapour

Answer

Oxygen

Explanation

Oxygen is not a greenhouse gas; carbon dioxide, methane, and water vapour are all greenhouse gases.

Common mistake

Misunderstanding the Greenhouse Effect

Students often confuse the roles of short-wavelength radiation from the Sun and infrared radiation emitted by the Earth in the greenhouse effect.

Clarify that short-wavelength radiation from the Sun passes through the atmosphere and is absorbed by the Earth's surface, which then emits infrared radiation that greenhouse gases trap, warming the atmosphere.

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recall MCQ 2: short-wavelength radiation from… | Carbon dioxide… | ExamCompanion