The answer is the last sentence.
Answer by JKismyhusbandbae: Repeated drug use may lead to drug tolerance which occurs when a user requires larger amounts of the drug to achieve the desired effect.
Is it a question?or a true or false
It is referred as <span>zone of proximal development. The zone of proximal development enables a person to distinguish what he or she is capable of with help towards others and without it. It is somehow related to the given sentence above where it shows how children can do on their own and with the help of another person.</span>