Question

what do you mean by sky​

Answer 1

Answer:

everything that lies above the surface of the Earth, including the atmosphere and outer space. Usually, the term sky informally refers to a perspective from the Earth's surface; however, the meaning and usage can vary.

Explanation:

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Answer 2

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the region of the clouds or the upper air; the upper atmosphere of the earth: airplanes in the sky; cloudy skies. the heavens or firmament, appearing as a great arch or vault. the supernal or celestial heaven: They looked to the sky for help.