<span>C is the best answer. While parades and street festivals can be noisy, they are not regular occurances. In contrast, equipment used for yard work is used more regularly and makes a greater contribution to noise pollution, so choosing manual equipment over motorized equipment will make the biggest difference.</span>
If they can learn more about how the human body ages,why some people live longer than others then perhaps they could apply these different facts in order to eventually discover our lifespan.
I took a quiz with the same question and the answer was increased range of movement but your quiz might be different so im sorry if this is wrong.
Answer:
They provide a weight-bearing workout.
Explanation:
Free weight are normally used in exercises. It is quite different from weight machines as it can be used to perform any movement. It also helps to work on weaker parts of the body to become stronger through continual focus.
The weight machines are however known to be safer and the free weight provides a weight-bearing workout because it can be moved in different directions and positions.