Question

If there were no atmosphere. How would that had affected
our lives?​

Answer 1

Answer:

The remaining water would freeze. Eventually (long after surface life had died), solar radiation would break atmospheric water into oxygen, which would react with carbon on the Earth to form carbon dioxide. The air would still be too thin to breathe. The lack of atmosphere would chill the Earth's surface.

Answer 2

Answer:

UV rays of sun will harm us it will also affect our weather condition and there will be lack of oxygen.