I think the veins absorb the photons because they're located at the top part of a leaf while the stomata that serves as the leaf's lungs are found at the under side.
I would go with It will increase the reactivity with the substrates. Because if there is no factors, the <span>rate of enzyme activity will increase.
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Hoped I helped :)
Complete question - Answer - Explanation:
Due to <u><em>technical problems</em></u>, you will find the complete question, the answer, and the explanation in the attached files.
What? Ermmn... Answer to that top question is A.
Easy 5 points. Stop, Drop, and Roll. In that order.