Which of the following minerals maintains osmotic pressure, regulates ph, and required for the conduction of nervous impulses along axons?
a. copper
b. chlorine
c. phosphorus
d. sodium

d. Sodium

Explanation:

Sodium (Na), has atomic number 11, it makes up 2.8% of Earth's crust by weight and 0.2% of the human body by weight. It is the principal positive ion outside cells, has an essential role in maintaining water balance inside the cells, important in nerve function, and blood pressure regulation when combined with potassium.

it takes hundreds of years to become stable.

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