what are the factors responsible for sustenanceof life on earth
Answers
Earth is an ideal place in our solar system to support life and we know it. Some things that make life possible on earth are -
It's distance from sun. I mean it is at correct distance from sun not too close not so far which allows the existence of liquid form of H2O.
Our solar system which contain our planet is also at right distance from the core of our galaxy. I mean it is also not so far and not so close which also allows the existence of life.
Earth has ozone layer to block harmful UV rays coming from sun responsible for many problems.
Earth has its magnetic field which also protects us from harmful rays.
Also our sun is stable and a long lasting star providing us a lot of energy.
We know all substances are made of matter and it can be divided into molecules and compounds