Healthy adults aged 19-64 should do at least 150 minutes of moderate aerobic activity such as cycling or brisk walking every week as well as <span>strength exercises on two or more days a week that work all the major muscles. They could instead do </span><span><span>75 minutes of vigorous aerobic activity, such as running or a game of singles tennis every week, as well as </span>strength exercises on two or more days a week that work all the major muscles. They could even do a </span><span><span>mix of moderate and vigorous aerobic activity every week. </span></span>
D, sodium isn't good, also work out some more
I believe it is Amy's, because you said Amy's target heart rate zone is 140bpm -- 186bpm. Thus, Amy's is higher
I'm not sure but it sounds like it could be a bagel?
The psychological feature that arouses an organism to action toward a desired goal hope this helps
