<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>
Bacteria has cytoplasm and ribosomes which are common with all cells and other living organisms
Answer:
a) This may result in severe pain in the affected part accompanied by swelling
b)If striated muscles contract rapidly for a longer duration, it can cause fatigue, muscle cramps and even loss of energy.
Explanation:
Egg, larva, pupa and adult
