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Ecosystems and Biodiversity · Question 22 of 68

Question 22

EasyOriginal question

How does water vapour in the air turn into the droplets that form clouds?

Options for question 22

Show the answer and explanation
CorrectNot quiteAnswer A

Correct answer: A

Explanation

  1. Warm, moist air rises and cools as it goes up.

  2. Cooled vapour condenses on tiny dust particles into droplets, which gather as clouds and fall as rain: precipitation.

Worth noting

Evaporation and transpiration put vapour into the air; condensation turns it back into liquid.

Concept
The water cycle
Typical time
35 s
Your time
—
The rule this testsNutrient cycles
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Ten questions from Ecosystems and Biodiversity, at your own pace.

Practise this chapter →

Ten questions from Ecosystems and Biodiversity, at your own pace.