UPSC NDA II 2013 General Ability Paper
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Question : 78 of 150
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Which of the following statements is/are correct?
1. Air close to the Earth's surface is heavier.
2. Air close to the Earth's surface contains larger quantity of water vapour and dust particles.
Select the correct answer using the code given below:
1. Air close to the Earth's surface is heavier.
2. Air close to the Earth's surface contains larger quantity of water vapour and dust particles.
Select the correct answer using the code given below:
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