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Clouds are mainly made of what?

Answer and explanation

Correct answer: Tiny water droplets or ice crystals

Correct answer: A — tiny water droplets or ice crystals. Water on Earth evaporates and enters the atmosphere as invisible water vapour. When moist air rises and cools, the vapour may condense around microscopic particles called condensation nuclei. It forms extremely small liquid droplets; at sufficiently low temperatures, ice crystals may form instead or alongside them. A cloud is therefore a visible collection of these droplets and crystals suspended in the air. B is incorrect because ordinary dry sand does not make up clouds. C is incorrect because lava is molten rock at Earth’s surface, not a cloud component. D is incorrect because rocks are solid geological materials. A cloud can look solid from a distance, but it is not a solid mass. Memory cue: invisible vapour becomes visible droplets or crystals through cooling and condensation.

Related tags

CloudsCondensationWater DropletsIce CrystalsClouds And PrecipitationWater In The AtmosphereGeographyClass 12 Mcq

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