I believe it's D don't take my word for it.
Answer:
they advantages of an increase in size without its limitations
Explanation:
The one that helps identify leaves as monocot or dicot are the characteristic of their veins. In a monocot, leaves have parallel veins or parallel venation; whereas, dicot leaves have a network of veins or reticulate venation. Hope this is the answer that you are looking for. Have a great day!
Absorb? tell me if im wrong.