i need help with above 6 questions, i already answered 1 and 2 but i am not sure

Question

i need help with above 6 questions, i already answered 1 and 2 but i am not sure if they are right.

Question 1 1 pts Biochemical Oxygen Demand (BOD): O measures the amount of oxygen consumed by microorganisms as they break down organic matter within small water samples is an accurate, quantitative test of water quality is high in treated wastewater all of these Question 2 1 pts When acidic water is run over crushed limestone: the acid is neutralized it is called acid mine drainage it creates pyrite (FeS2) 0 it creates metallic sulfide deposits O the acid vaporizes

Explanation / Answer

1) All the above

2) Acid mine drainage

3) only contain disease causing organism

4) Salmonella

5) point sources

6) water reuse

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