Which of the following is the cleanest source of energy?
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___________ is obtained by evaporation of sea.
What is the name of the acid in an ant's sting?
In a food chain, what is the difference between primary consumers and secondary consumers?
Family is important to the socialization process because:
What is the maximum number of Members of the Rajya Sabha?
Who awarded the Kaisar-i-Hind medal of the British to Mahatma Gandhi for his contribution to ambulance services in South Africa?
Who among the following was not a member of Boxing team of India at Rio Olympics?