Harmful bacteria in potable water make the water
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Which of the following physiological symptoms are signs of stress?
___________ is a hormone that regulates the amount of glucose in the blood.
______ is a strong drug that doctors give to people to make them calm or help them sleep.
The short run marginal cost curve is ____ shaped.
Which one of the following bio reserves of India is not included in the World Network of Biosphere Reserve?
___________ is obtained by evaporation of sea.
June 21 marks the winter solstice in the _________ Hemisphere.