The answer is D.) Floss, Polish, Scale
That statement is True
Over the past waters, the Eastern Europeans always have problems in obtaining clean fresh water
Not only it's scarce, but also filled with waste water, municipal, and industrial waste, which very dangerous for one's health
The answer is 15 people.
Explanation
You have 45 people and a rate of 33%. 33% is equalivant to 1/3 so you divide 45 by 3 and get 15 people.