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If a farmer covers crops to protect them from frost what is the geographical reasoning?

Answer and explanation

Correct answer: Cover can reduce surface heat loss and limit extreme cooling

The correct answer is A: a cover can reduce surface heat loss and limit excessive cooling. Frost forms when a crop surface becomes very cold, often during a clear, calm night, and reaches a temperature at or below freezing. A suitable cover traps a thin layer of air and reduces direct exposure to the cold sky. It can therefore help retain some heat near the plants and make the crop microclimate slightly warmer. The cover does not necessarily heat the crop strongly; its main role is to slow heat loss. B is wrong because a cover does not supply seawater. C is wrong because it cannot make atmospheric pressure zero. D is wrong because frost is ice deposited from moisture, not a material that becomes rock. Memory cue: frost protection means conserving heat, not creating heat.

Related tags

Frost ProtectionCrop CoverHeat LossForms Of Condensation: DewFrostFogAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeographyClass 12 Mcq

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