Answer:
melanin
Explanation:
melanocytes produce melanin - the pigment which is ultimately responsible for your tan. The pinkish melanin travels up through the epidermis and is absorbed by other skin cells.
Answer:
Explanation:
The kidneys are organs of the urinary system - which remove excess water, salts and urea. Blood is transported to the kidney in the renal artery . The blood is filtered at high pressure and the kidney reabsorbs any useful materials such as glucose, salt ions and water for the body!
Hope this helps!
all minerals make effervescence react with hydrochloric acid
The first one is d, the second is c.