Question

4. During the process of synthesis of food in plants, the plants absorb A from the
atmosphere through small pores in their leaves. A reacts with B to synthesize C
and a waste product D is also released out through the pores in leaves. This waste
product D is essential for animals and human beings. This happens in the
presence of X and Y. Identify A,B,C,D, X and Y.
​

Answer 1

Answer:

x+B+C.

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Explanation:

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