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:
Answer:
high risk because you can pass sickness and dieses around
Answer:A person whose body can no longer keep up with the demands of stress is in the exhaustion stage. At this point, there is not much this person can do anymore, and has to go and have a rest, or else there may be serious repercussions when it comes to that person's health.
The best skill in sports is good sportsman ship
