Question

the existence of life on the earth is based on carbon ______​

Answer 1

The existence of life on the earth is based on carbon and Oxygen.

Answer 2

Answer:

Carbon is the chemical backbone of all life on Earth. All of the carbon we currently have on Earth is the same amount we have always had. When new life is formed, carbon forms key molecules like protein and DNA. It's also found in our atmosphere in the form of carbon dioxide or CO2.