Groundwater . exists above the earth's surface is impossible to pollute forms when precipitation seeps into the soil is not a usable water source for humans

from the original order (top to bottom) the new order will go

1 (founder)

4 (hawk)

2 (mutate)

3 (next generation)

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is

wha is what i will use to get my free points