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Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources1 Mark
MCQ
Low visibility during cold weather is due to:
  • A
    Formation of fossil fuel.
  • ✓
    Unburnt carbon particles or hydrocarbons suspended in air.
  • C
    Lack of adequate power supply.
  • D
    None of the above.
✓

Answer

Correct option: B.
Unburnt carbon particles or hydrocarbons suspended in air.
Unburnt carbon particles and hydrocarbons suspended in air create smog. Smog results in low visibility.

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