Question

What is biological oxygen demand?

Answer 1

Every existing organism on the Planet Earth needs oxygen to survive, to meet their body's demands of energy, and breathing.
Oxygen is a life giving component, Given by plants, and taken in by every other organism.
And Oxygen at higher levels of atmosphere also forms Ozone, and protects us from the UV rays of the sun, which can cause cancer, and other ailments on contact.

Answer 2

Biological Oxygen Demand

Biological Oxygen DemandBiological Oxygen Demand (BOD) and Water.Biochemical oxygen demand (BOD) represents the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic (oxygen is present) conditions at a specified temperature.

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