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Biological oxygen demand
Neither a nor b
Organic matter production
Both (1) (2)
Even after sunset, the air near the Earths surface continue to receive heat due to
Excessive consumption of ethanol causes major damage to the
Exobiology deals with the study of:
Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as
Exposure to sunlight helps a person improve his health because:
Extensive planting of trees to increase forest cover is called
f-block elements are also called
Farad’ is the unit of
Fat can be separated from milk in a cream separation because of
Fat can be separated from milk in a cream separator as of: