a, because exercise doesn't just aid the prevention of certain diseases, it helps prevent many diseases. i would've chosen d if it wasn't so specific but a is the correct answer.
Answer: Rapid- quick, fast, swift
Population- community, culture, people
Growth- advance., advancement., expansion.
Explanation: It's pretty much defining the words :) Anyways, have a good day!
True because certain people have health issues that stops them from doing certain sports/stuff.
It can change your health by burning calories or being fit.
B. health problems!
hope that helps!
