Answer :
Answer:
Option A, Enters plant as part of water
Explanation:
In the process of photosynthesis, water molecule is broken down into oxygen and hydrogen through photolysis.
Once the molecule is broken down , oxygen is released and hydrogen ion are used for initiating the further reactions in photosynthesis.
The following reaction occurs in photolysis-
2H2O -----> 4H+ + O2
Water is the most suitable subset among all.
Hence, option A is correct
Answer:
Not sure, but a good chance that it is released into air through stomata
Explanation:
You need to add a picture or something to make it clearer.