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:
A behavior goal you can use is by using motivation and courage to help you out
Social conformity can peer pressure you, self discipline can influence you do date or not deciding on what you believe you deserve. And impulse versus delayed gratification can influence you by making drastic and not very though out decisions.
The answer is C) Because nothing in this world is limited, especially not your nowledge base.