Answer:
The answer is A: first class lever
The answer to this is letter B
Answer:Physical activity can also reduce the risk of premature death. ... Helping inactive people become more active is an important step towards better health. ... 4 in 5 of the most costly chronic conditions among adults 50 years or older can be ... you can spread your activity out during the week, so you don't have to do it all at once
This is a false statement. A direct conflict with this statement is the Myocardium or Cardiac muscle. Heart muscle is designed to be over stressed, considering the fact that it is constantly contracting, for the rest of your life. It cannot be weakened by over stress.
