Question

answer the above question .....
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Answer 1

pathogens  

a bacterium, virus, or other microorganism that can cause disease.

vector

a quantity possessing both magnitude and direction, represented by an arrow the direction of which indicates the direction of the quantity and the length of which is proportional to the magnitude.

decomposer

an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

effluent

liquid waste or sewage discharged into a river or the sea.

Bioaugmentation

Biological augmentation is the addition of archaea or bacterial cultures required to speed up the rate of degradation of a contaminant. Organisms that originate from contaminated areas may already be able to break down waste, but perhaps inefficiently and slowly.