Different people have different concerns. Some people see the environment as a beautiful thing that we need to protect and conserve. Some people do not care about the environment at all or they do not see the problems as problems.
The answer is a. Hope this helps.(:
Answer:
Low oxygenated areas are called hypoxia.
Low oxygenated waters are called anoxic waters which is a more severe condition of hypoxia.
I would say the one least likely to cause outdoor environment contamination is going to be D, fertilizers.
Fertilizers are meant to help the environment, not damage it.
