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Why is dew generally not considered as harmful to crops as frost?

Answer and explanation

Correct answer: Dew is a liquid droplet, while frost is ice that can damage plant tissues

Correct answer: A. Dew is normally liquid water deposited when a surface cools to the dew point but remains above freezing. Frost forms when water is deposited or freezes as ice at or below freezing conditions. Ice crystals and freezing temperatures can injure delicate plant cells by causing physical damage and water stress. Dew may wet leaves and is not usually destructive in the same way, although excessive moisture can sometimes support plant disease. B is wrong because dew is water. C is the opposite of the usual effect of frost. D is biologically and physically unrelated. Memory cue: dew wets; frost freezes—and freezing is the major danger.

Related tags

DewFrostCrop DamageIce CrystalsForms Of Condensation: DewFogAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeography

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