Question

Define pollutant, contaminant, COD, BOD?​

Answer 1

Answer:

Pollutant: A substance that pollutes something, especially water or the atmosphere

Contaminant: A polluting or poisonous substance that makes something impure.

COD: COD or Chemical Oxygen Demand is the total measurement of all chemicals in the water that can be oxidized

BOD: BOD or Biochemical Oxygen Demand is supposed to measure the amount of food (or organic carbons) that bacteria can oxidize.

Explanation:

Answer 2

Explanation:

pollutant-substances that promote pollution is called pollutant

contaminant-substances that lead to contamination in a living organic body are called contaminant

cod is the total measure of chemicals in the water that can be oxidized

bod is the amount of food bacteria can oxidize