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Medal-premium 1

The constituent of air that helps plants manufacture proteins is ___________.

Select one of the following:

  • Oxygen

  • Nitrogen

  • Carbon-dioxide

  • Water Vapour

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pankajseth.cerag
Quiz by , created almost 2 years ago

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pankajseth.cerag
Created by pankajseth.cerag almost 2 years ago
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