The old-growth forests of the pacific northwest are considered to be rainforests, which means it rains a lot. how do the forests people deal with the rain?
a. they stick up into the clouds and absorb some rain directly.
b. they direct the water into the salmon streams.
c. they provide shelter to people out hiking.
d. they make it seem less gloomy.
e. they retain water to prevent flooding and erosion.

The correct answer is E.They retain water to prevent flooding and erosion.

Explanation:

Rain forests are used to be very dense forests where lots of raining takes place. The forest floor can soak up lots of rain and during flood dense forest with woodland trees do not allow water to run fast through them thereby reducing flood's effect significantly.  

The roots of the trees in the forest binds to the soil on the floor and prevent soil erosion during flooding. Study shows that water retention is more in summer than in winters. Forest can store lots of water and transfer it to the streams which is helpful in providing clean water to the people in dry season.

Therefore, the correct answer is E. They retain water to prevent flooding and erosion.

the answer is :