<span> chronological, functional, combination, targeted. </span>
Answer:
It is a type of chemical bond that generates two oppositely charged ions. In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion.
Explanation:
The evolution of a species of organisms over time.
I can say for certain that it's really probably not A. or D.
As for B. or C., I'd say C.
Im thinking C. The skeletal system but not 100% sure.
