Which was the capital of the first Sri Lankan kingdom?
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____ tissue changes the diameter of a blood vessel.
Which of the following elements has a total of 3 shells with 8 electrons in the last orbit?
An increase of 1% per annum in the rate of growth of the money supply will increase inflation in the long run by _______.
From which of the following, is the GDP of a country not derived from?
Which of the following gases is used to prevent food material from getting oxidised?
How many atoms will one mole of Carbon (C-12) contain?
The ____ of a substance is defined as the mass per unit volume.