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:
Because emergency responders cannot enter areas that are still dangerous and because it it important to check for danger to victims and responders and assessing the situation is the first step taught in first aid course and the first step is actually to call the emergency assistance.
The answer is Aerobic exercise (such as swimming, running, climbing)
BrAiNlIeST
Chondrodermatitis nodularis helicis is an inflammatory skin condition that affects the ear. It causes a painful bump to develop on the top rim or helix of the ear or the curved piece of cartilage just inside, known as the antihelix. The condition, abbreviated to CNH, is also known as Winkler disease.
Can u show a pic of the question