I believe the correct answer is B. Spread by contact.
Macrominerals are needed in large amounts.
Trace minerals are needed in very small amounts.
Macrominerals are calcium, phosphorus, magnesium, sodium, potassium, chloride, and sulfur.
Trace minerals are iron, manganese, copper, iodine, zinc, cobalt, fluoride, and selenium.
Your overall ability to accept challenges in your life. To make you a better person.
The answer is true conscience has been taught between birth and age
