SORRY I DON'T KNOW
MAYBE I CAN HELP YOU OTHER WAY OUT
<span>A is the correct answer. The developmental norms are stages at which humans typically develop the ability to successfully complete an activity without aid, for example, being able to walk. When people have reached the age of the norm and cannot complete the activity, there may be cause for concern.</span>
A. Tolerance with the drug
Its the same for caffein think about it some people have to drink more to get the same effect because there body’s has developed a tolerance and thats how u get addicted. You have to increase the amount which is addiction.
Honestly, it’s corona time but it’s going good.
Can you do me a favor and mark me Brainliest please?