Low visibility during cold weather is due to (a) formation of fossil fuel (b) unburnt carbon particles or hydrocarbons suspended in air (c) lack of adequate power supply none of these

• Soln:

Answer is (b) unburnt carbon particles or hydrocarbons suspended in air

Explanation:

Unburnt carbon particles and Hydrocarbons suspend in air to create smog. Because of smog visibility will be low in cold weather.