Question

what is carbon dioxide used for in plants

Answer 1

carbon dioxide is used in plants for preparing their food called photosynthesis.
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Answer 2

ANSWER-:

..) Carbon Dioxide :-

☞The gas which we exhale is known as carbon dioxide . And the plants breathe carbon dioxide to live and this also help in process of photosynthesis.

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a) Nitrogen :-

☞The maximum amount of gas in air is Nitrogen , it takes approximately 78.09 % in air .

b) Oxygen :-

☞Oxygen is the gas which we breathe in or inhale & it is the most important thing for a human to live one earth . It occupies 20.95% in the amount of gases in air .

c) Hydrogen :-

☞The gas which we keep a matchstick fired it gives a pop sound it is known as hydrogen . It is the first element in the periodic table .