People who have darker skin have more melanin which is a black or dark brown pigment in the skin. When we are out in the sun our skin produces more melanin, which helps our skin be more resistant in the sun. This is why we tan.
Answer:
C
Explanation:
To send signals to the blood vessels to constrict or dilate , to increase or decrease blood flow respectively.
Answer:
A culture represents the beliefs and practices of a group, while society represents the people who share those beliefs and practices. Neither society nor culture could exist without the other.
Answer:
Spectrophotometer that measures between 100 and 900 nanometers.
Explanation:
dont quote me on this
