For most healthy adults, the Department of Health and Human Services recommends these exercise guidelines: Aerobic activity. Get at least 150 minutes a week of moderate aerobic activity or 75 minutes a week of vigorous aerobic activity. You also can do a combination of moderate and vigorous activity.
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It makes no sense how you typed this problem out.
A. compounds because the reactants of a double replacement reaction do not have charges
The answer is D, hope this helped!
