<span>Melanin helps protect the skin against effects of the sun such as skin cancers and premature aging. In African American skin, melanin provides a sun protection factor (SPF) equivalent to 13.4 compared to 3.4 in white skin and thus the former have lower incidences of skin disorders associated with exposure to the sun.</span>
Answer:
1677
Explanation:
Robert Plot discovered the first dinosaur bone, they thought It was just a human bone but later they found out it was a dinosaur bone.
Answer:
1.red-RR blue- BB purple-RB
2. RR RR
BB BB
Explanation: