An acid is best defined as: Select one: a. a substance with a pH between 0 and 7.
b. a substance with a pH between 7 an 14.
c. a substance that is exactly pH 7.
d. A substance with a pH between 0 and 14. m

A.) a substance with ph between 0 and 7.

Explanation:

as acid has pH value between 0 to 7.

yes its like the dead sea which is full of salt which makes you stay afloat

so yes an egg will float in salt

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.