A Fellow Student Brought in a Leaf to Be Examined

Multiple Choice

A fellow student brought in a leaf to be examined.The leaf was dark green and thin,had stoma on the lower surface only,and had a total surface area of 10 square meters.What is the most likely environment where this leaf was growing?

A) a dry,sandy region
B) a large,still pond
C) a tropical rain forest
D) an oasis within a grassland