No, it carries oxygen to the lungs
Acid rain in extreme occasions
Answer: she wants the water to turn green and green is neutral on the PH scale. If the water is turning acidic she might want to add a bit of baking soda to balance out the acidity with a bit of alkaline. Minerals can balance acid. If the water is too much of a base she may consider adding something a little acidic to balance it.
Explanation: the science of PH balancing
I believe the correct response would be C. Production of antibodies.
