Answer: B. the amount of fresh water required to mix and dilute pollution in the water.
Explanation:
a grey water footprint is the volume of fresh water that has ben assimulated to pollutants baced on back ground concentration and compisision it also test ambiant water standards to see the quality of the water it has a certain standered that has to be exceded in order to pass as clean water the cleaner the better it is for the ecosystem the minerals and life need the freshest water to drink (no that just is for fresh water sorces) but it is also used for the acidity of the ocean it needs to stay a certain saltyness or the fish and aquatic life will have to relocate or they will just die.
Answer:
A. Provided them with much of their food
<span>friends and relative had not seen each other for 30 years since the wall was put in place.
-The fall of the Berlin wall was the first step to the reunification of Germany</span>
Answer:
All of them, except for D
Explanation: hope it helps;)
