Question

The principle difference between point source and nonpoint source water pollution is _______.
a.
whether the pollution is organic or inorganic
b.
the number of sources of pollution
c.
the amount of pollution
d.
whether it is from commercial or agricultural source

Answer 1

Your answer would be B ; the number of sources of pollution

Answer 2

The correct answer is option B

The main difference between the point source and non point source is the number of sources that is involved in them.

The point source can be defined as the pollution having a single source  by which the pollution is coming out.

Non point source can be defined as the pollution having more than one source of pollution which combinely can be defined as non point source.