Its hard to believe it but its D.<span />
I believe the answer is B - point source comes from a specific site, non-point comes from many sources
Answer:
The answer is <u><em>A</em></u> I think.
Answer:
Limitation of comparative is that when it is done on a huge population, huge amount cost is required.
Benefit of comparative is that we can get descrete information about specific breed or species.