Question
_______ gas is present in air in a very small quantity and is important for plants.
Answer: Option D
:
D
Air is a mixture of gases containing 78% of nitrogen, 21% of oxygen and 1% of other gases including carbon dioxide. Carbon dioxide gas is essential for the synthesis of food in green plants.
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:
D
Air is a mixture of gases containing 78% of nitrogen, 21% of oxygen and 1% of other gases including carbon dioxide. Carbon dioxide gas is essential for the synthesis of food in green plants.
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