Question

4) In the absence of atmosphere, the sky would have appeared _________
during the day​

Answer 1

Answer:

The colour of sky will be black if the earth had no atmosphere. This is because due to presence of atmosphere the sun ray get scattered and we see blue sky during the day. In the absence of any atmosphere, there will be no scattering of sunlight and the sky will appear dark.

Answer 2

Answer:

blue is the correct answer for question and answer