D the Resvoir Simple just Agree With me im right (:
Answer: Every activity give tension in the legs. If your willing to make your legs kinda sore try doing jumping squat's or any kind of activity is fine. Some even make your legs burn. But it's not the type of activity's you do it's how much time or how many time's you do it.
I think its B i hope it helps
Answer:
The environmental factor duties is Not make Violence Air pollution water pollution noise pollution soil pollution
They are using Scientific evidence because its proven that 85% of the doctors use the product.
