It is scientifically known as Hidrologic Cycle
"Answer DThe outermost layer of old epidermal cells are sloughed off and replaced every 15 to 30 days. The sebaceous glands secrete sebum which maintains the skin pH between 3 and 5. Bacteria which metabolize sebum live as opportunistic pathogens on the skin and cause skin infections."
Answer:
B. Earth's rotation around its axis
Explanation:
Answer:
Axon is responsible for the quick transmission of the nerve impulse.
Explanation: