What is the pH value of human blood?
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______ is a strong drug that doctors give to people to make them calm or help them sleep.
Harmful bacteria in potable water make the water
Which of the following reproduce both, sexually as well as asexually?
There are 15 protons and 22 neutrons in the nucleus of an element. What is its mass number?
Which city is located on the banks of the river Alaknanda?
What is the reason for formation of Mirage in desert?
The force of friction between two surfaces will increase if: