I believe your answer is D.
The central idea is the world would be to much if they world wouldn’t have water
why did he do it exactly like this
how did he think these up
how hard was it to do what he did
why did he do it
what was he thinking when he did it
please give branlest
B, it tells how long the tree takes to grow
or
c, this answer tells how long the acorns take to grow therefore making half-grown acorns