Question

The veins of a leaf contain the _____.

Answer 1

The answer is C because we know it's not d because a leaf is not a human

Answer 2

Option c. endodermis

greek word endon, within + derma,skin; the layer of living cells, with various characteristically thickened walls and no intercellular spaces, which surrounds the vascular tissue of certain plants and occurs nearly all roots and certain stem and leaves.