None of the above because they are non pollutant
Answer:
because they have thicker walls
Explanation:
blood is punped our of the heart very fast which means it would need a blood vessel witch thick walls to withstand the pressure. thin walls would cause the blood vessle damage and may evwn break as it wouldn't be able to withstans the pressure.
Answer:
silicon dioxide Si02 and diamond
Explanation:
because it's commonly found in nature
Answer:
Cellular respiration takes place in mitochondria of a cell, hence it is also known as power house of cell , because it gives us energy in the form of ATP molecule .
When you rub it, it creates some electrical forms inside that will charge it
