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Q: Which of the following reasons, clouds to float in the sky?
  • A. Low temperature
  • B. Low speed
  • C. Low pressure
  • D. Low density
Correct Answer: Option D - The reason for clouds floating in the sky is their low density. Due to the low density, the weight of clouds remain low with respect to the buoyancy force in the air and they float.
D. The reason for clouds floating in the sky is their low density. Due to the low density, the weight of clouds remain low with respect to the buoyancy force in the air and they float.

Explanations:

The reason for clouds floating in the sky is their low density. Due to the low density, the weight of clouds remain low with respect to the buoyancy force in the air and they float.