When you get a vaccine it injects a controlled amount of the illness into you, so the immune system can build up an immunity. The memory cells come into play when the illness comes back.
Answer: 6% is 2/3 of 9% you can produce 3/2 the volume or 217.5 ml
Explanation:
As you age, you realize that the way you eat might effect how long you live. Eating too much or too much bad things can give you lots of medical conditions, and you realize that as you get older.
Minerals are an inorganic nutrient
