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.
70% of your body is water
Yikes it depends. did you eat something that could have been unsafe to consume?
Alice could:
- Avoid touching a bare wire that may be conducting a current.
- Avoid overloading power strips and other receptacles with multiple plugs. Using only two plugs per outlet lessens the risk of shock and fire
- Utilize three-prong plugs whenever possible. The third prong, which grounds the electrical current, should never be removed.
- Never assume that someone else turned off the power source. Always check for herself!