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:
There is cancer in almost everything we do or eat but yes its true some types of cancer can be avoided
Answer:
The smallest bronchioles end in tiny air sacs, called alveoli. They inflate when a person inhales and deflate when a person exhales. During gas exchange oxygen moves from the lungs to the bloodstream.
Explanation:
You should visit the doctor. SO then they can give you medicine to feel better.... right...
Im guessing walking because you walk between classes.
