Answer:
Explanation:
its a or b. first try a, second b, third c, last d.
The correct answer A
This is in part due to carbon's ability to readily form bonds with other atoms, giving flexibility to the form and function that biomolecules can take, such as DNA and RNA, which are essential for the defining characteristics of life
Important facts about cities or towns are their healthcare and the sanitation within that certain area.
The answer is C. It determines protein structure.