The answers are
1. Matter
2. Biosphere
Answer:
The chromosomes inroduces carbon factors
Explanation:
Answer:
It is a laboratory method used to separate mixtures of DNA, RNA, or proteins according to molecular size.
For this item, I would go with letter "D. physical destruction of marine habitats". Many of the modern ways of fishing poses an irreversible destruction to marine habitats. These practices include trawling, lining methods, purse seining, etc.
