The answer is <span>There are few or no changes that occur during adulthood
According to the traditional view, Human's development is complete as soon as we enter adulthood, both physically and mentally.
But recent studies show that even after entering adulthood, we still experience many developments in both through experience, relationship with other people, diet, etc.</span>
Answer:A
Reason bc second hand smoke is real and the want less people to smoke
Breathing and heart rate increase