The answer is true.
Initially a person enjoys the physical and emotional response, as time goes on they need more of the drug just to feel "normal". They are always seeking the same feeling as the first high.
Answer:
no, Don't rinse with water straight after toothbrushing
After brushing, spit out any excess toothpaste. Don't rinse your mouth immediately after brushing, as it'll wash away the concentrated fluoride in the remaining toothpaste. This dilutes it and reduces its preventative effects.
Explanation:
The answer for the picture put up is D, not C.
D is the correct answer.
