How do animals contribute water vapor back into the atmosphere?
a.
condensation
b.
respiration
c.
precipitation
d.
evaporation

i think it is b) because they breathe and if you have seen an animal you would know that they do this by respiration.

a axis of a graph is a color or shade so we can all go outside and have a party so we can eat   some grilled cheese sammiches and broccoli and have some ugly fun times

i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can

use smarts app it gives all theanswers