Answer: I dont really know
Explanation:
To determine the strength of potassium permanganate with a standard solution of oxalic acid.
Answer
At the crust
Explanation:
Mantle is far away from it unless its in a ocean.
The chemical property of mercury is that it reacts with oxygen
Answer:
Nonpoint pollution is harder to control
Explanation:
Nonpoint pollution is harder to control because they include runoff from farms, golf courses, construction sites, roads. Whereas the single origin of the pollution is harder to trace.
