00:00Who developed the theory of relativity?
00:07Answer is option A, Albert Einstein.
00:11What part of the cell contains the genetic material?
00:20Answer is option C, nucleus.
00:22What is the main gas found in the air we breathe?
00:30Answer is option A, nitrogen.
00:33What is the most abundant gas in the Earth's atmosphere?
00:42Answer is option C, nitrogen.
00:45What is the chemical formula for water?
00:53Answer is option B, H2O.
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