I’m pretty sure they included more than one independent variable.
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>
The journey begins soon as you take a bite out of the sandwhich. your sliva starts to get heaver. You start chewing it and it goes down your esphoquist. Then down into your stomach. Your gut starts to work to get all the nutrinous from it. Then the waste. you know what happens to the waste. You use the restroom ( this is not meant to be funny take this sersouliy).
you can use this information to make it 3 paraghrpahs long put little deatails that matter into it.
<span>mA (millamps) x Time (seconds) = mAs</span>