Answer:
C.
Explanation:
I believe it would be C.
The tree is just starting to get flowers, nut its already come out of the ground and so its not in the seed stage, and it does not have bark yet so it cant be an adult tree
The differential equations and the boundary conditions(initial and final)are shown in the attachment
Answer: i would say the answer is d
a viral infection
i think that this is right answer