Please help with the question in the picture :)

B

Explanation:

a plant living in a dry region means it will need to have less stomata on the upper surface of the leaf than the bottom to save as much water as possible since a more drier region lacks water, so look for a plant that has the least number of stomata on the upper surface - B

it has no stomata on the upper surface of the leaf which means less water loss through the stomata via transpiration

He casually met the queen of England at a formal ceremony(A)