Answer:
I think the answer is d, as the cell possess a cell wall are non living
Consider the nest to be (0,0)
The bird first flew 40 km (20x2) up and then 45km (15x3) left
So the final coordinates would be (40, -45)
First one is C) A phosphate group is added, and the second is D) Kreb's cycle
Scientist can look at DNA sequences to determine if they are related, A scientist named Darwin proved that all species are related and descended from one common ancestor.