Question

If there were no atmosphere the length of the day on the earth will

Answer 1

Hey mate here is your answer!!☺☺

If there is no atmosphere then the sunrise is advanced and the the sunset is delayed to 2 minutes. That is total of 4 minutes extra is received due to the atmospheric refraction.so without atmosphere this would not happen and there will be short of 4 minutes.

Hope it's help you plzz mark me as brainiest!!