Chemistry 0620 · IGCSE · Air quality and climate

Air quality and climate — practice question

Carbon dioxide functions as a greenhouse gas because it absorbs a specific form of energy emitted from the Earth’s surface into the atmosphere. What type of energy is this, and what occurs when it interacts with carbon dioxide molecules?

  • Athermal; carbon dioxide molecules increase the Earth’s energy loss to space
  • Bthermal; carbon dioxide molecules absorb the energy
  • Clight; carbon dioxide molecules increase the Earth’s energy loss to space
  • Dlight; carbon dioxide molecules absorb the energy

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