A dark skinned man and a light skinned man are being tested to see who produces vitamin D faster. The dark skinned person will have vitamin D in amounts that are
greater lesser
A B
Pigments in the skin act like a filter that can prevent the skin from making vitamin D. As a result, people with darker skin need more time in the sun than people with lighter skin to make the same amount of vitamin D.
time to make vitamin D
darker
more
MORE
MORE
dark skin
greater
lesser
skinned
vitamin D
vitamin D
vitamin D