Answer:
A. Tolerence
Explanation:
Tolerance happens when a person no longer responds to a drug in the way they did at first. So it takes a higher dose of the drug to achieve the same effect as when the person first used it. This is why people with substance use disorders use more and more of a drug to get the “high” they seek.
In the nucleus, there are two types of subatomic particles. These are the neutrons, which have no charge either negative or positive, and protons, which have a positive charge. The positively charged part of the nucleus are the protons. :)
They are a health concern because they are suspected carcinogens, which can cause cancer.
A deficiency in zinc can be causes my dehydration
so this statement is true
Answer : Antigen
Antigens are any substances that the immune system can recognize.
Hope this helps. - M