Which of the following is a metabolic function of skin?
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What is the other name of sodium carbonate?
Which of the following is NOT a radioactive element?
Biogas is produced from biomass by
Which river does not form a delta?
Plants utilise ________ from the atmosphere foe photosynthesis
Which one of the following is also regarded as Disguised unemployment?
The collection of all possible combinations of the goods and services that can be produced from a given amount of resources and a given stock of technological knowledge is called the ____________ of the economy.