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Which statement about indoor air pollution is FALSE?

  • A.It matters less than ambient pollution
  • B.Kitchen concentrations can exceed outdoor levels many times over
  • C.Exposure is concentrated on those present during cooking
  • D.Improved stoves and clean fuels are the main remedies

Answer: A

Correct answer: It matters less than ambient pollution

This is the false statement. Household air pollution from solid fuel combustion is among the largest environmental health burdens worldwide, responsible for millions of premature deaths a year, and in many rural households it dominates total exposure - often two-thirds or more of the daily dose is acquired during the cooking hours alone.

The other three are true: kitchen concentrations can exceed outdoor levels twentyfold, exposure falls on those present during cooking, and improved stoves, flues and clean fuels are the main remedies.

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