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The clouds float in the atmosphere because of their low:

1)temperature

2)velocity

3)pressure

4)density


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    temperature

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  • Exam: Heat QUESTIONS





    High temperature air moves upward.. So why low temperature

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    They are made of water and ice particles. A cloud's individual particles are so small, in fact, that warm air rising from the earth's surface is able to keep them floating in the air. It's similar to how dust motes swirl in a shaft of sunlight. When the warm air keeps clouds afloat it cools as goes above, thus water vapour condenses to the water droplets. At a certain point the droplets become heavy enough to overwhelm the force of the rising air, and all that water falls to the ground. That's what we call rain.

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