I would say it would be D or A. Im not quite sure, but you can workout hard without getting injured so my best bet would be D.
Good Luck! Get Good Rest and Eat Something High In Carbohydrates To keep you going!
Answer:
Phosphoric acid is a good substitute for muriatic acid and in most situations will clean surfaces just as well with less risk. Phosphoric acid is a main ingredient in many commercial grout and concrete cleaners that are readily available to consumers.
Explanation:
Keep exercising regularly and doing good things to your body then you wont have to worry about dammaging your body
