Answer:
The answer is mass and distance.
Explanation:
Take India for example.... people use the bathroom and bathe in rivers!
Now lets say we look at the US our pollution comes from factories, trash that people dont throw away, fertilizers and many more... but the difference is, that in developed countries like the US our water is filtered.... And in India water is not safe to drink
Essential amino acids are amino acids that must be supplied to one's body by their diet because they cannot be synthesized from scratch.
