The answer is interconnected. You will come to find that everything that makes life possible on earth is all interconnected. It is just like the way all the human activities and necessities for the everyday life are all interconnected to nature.
A sugar (called deoxyribose)
A Phosphate (1 phosphorus atom joined to 4 oxygen atoms)
One of 4 bases (Adenine, Guanine, Cytosine, Thymine)
I don’t know. :) and no it yes
1- The atmosphere (air)
2- Organic Matter (Which is non-living and the living)
3- Minerals and different kinds of rocks.
4- microorganisms (earthworms, insects, etc)
5- water (which is important.)