Answer:
When you pick up your personal electronics device or your mobile phone do you ever think about what's in it? A tremendous variety of elements are needed to make a single electronic device. Some are rare, some are common. All must somehow come from Earth or its environment.
The answer is D. Racing Heartbeat
<em>Hi !</em>
With aging, heart does not reamin the very efficient pacemaker.
<em>As a person ages, his or her levels of cardiorespiratory fitness tend to </em>: B. decline
No you can not eat poop. It is waste and full of disease
That i did not know thanks i guess?