Which description refers to stratus clouds?

are thin and wispy
are round and fluffy
cover all or most of the sky
form at high altitudes

The Correct Answer is "Cover all or most of the sky".

Explanation:

Stratus Clouds forms a blanket-like layer. stratus is a Latin word meaning Cover or Blanket, Stratus clouds look like a straight blanket in the sky.When there is the overcast entire sky is covered with clouds. these stratus clouds usually spread across the sky.you often see stratus clouds during rain, stratus clouds that form on the surface of the earth are known as Fog.

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