A) \[{{O}_{2}}\] must always be available for respiration
B) \[{{O}_{2}}\] combines with carbon to form \[C{{O}_{2}}\]
C) \[{{O}_{2}}\] combines with hydrogen to from \[{{H}_{2}}O\]
D) Air is inhaled and exhaled only from stomata
Correct Answer: C
Solution :
\[{{O}_{2}}\]combines with hydrogen to form\[{{H}_{2}}O\].
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