Non point is pollution from many locations and pinpoint is pollution from one source and easy to track
Answer:
C. An organism that was brought to an area by humans many centuries ago
1. Algae blocks sunlight from other organisms
2. Kills those that are autotrophs
3. Bacteria in pond will continue to multiply and break down everything dead/deteriorating
4. Bacteria takes over all oxygen supply
5. No life
Personally, I'd say that the answer is adaptation, but the closest thing there is, is evolution.
Answer:
Confusing
Explanation:
Could u post a pic? It would be easier to help then
