Answer:
Piercing your ears with a needle that has been washed thoroughly with soap and water
Answer:
My answer would be a piece of glass falls into a customers water cause by drinking it he can cut his neck from inside. the other ones can cause infections. that's just my opinion
Answer: My answer to this is physiology because it is the movement of blood through the vessels from the arteries to the capillaries and into the veins.
Explanation:
Answer:
exesive oxegen usage and the population size could polute the atmosphere damaging it
Explanation:
because the more carbon dioxide the worst it gets
