Their leaves intercept much of the rain before it reaches the ground, returning it to the atmosphere as water vapor.
(Their leaves; intercept; much of the rain; T:before it reaches the ground, returning it to the atmosphere as water vapor) (it; reaches; the ground; returning it to the atmosphere as water vapor)
Their leaves it
intercept reaches
much of the rain T:before it reaches the ground, returning it to the atmosphere as water vapor
the ground returning it to the atmosphere as water vapor