Question

what is necessary for life on Earth?​

Answer 1

Answer:

Life on Earth uses only two types of energy for metabolism: sunlight and redox chemistry ... One or the other has to be present, and if you're in the habitable zone of a star, you at least have enough light to support photosynthesis. So you have the right temperature, water, and sunlight.

Answer 2

1) Oxygen

2) Water

3) Food

4) Clothes

5) PHONE :P