There are 15 protons and 22 neutrons in the nucleus of an element. What is its mass number?
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The force of friction between two surfaces will increase if:
Family is important to the socialization process because:
A conductor having some appreciable resistance is called a
Study of earth is known as
What is the full form of the Indian Political Party, "CPI"?
In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.
Inundate
Prague is the Capital City of _____.