D is the correct answer because all of these are great questions to ask
They have a good amount of water in the plant.

<h2><u>
ANSWER :</u></h2><h2><u>
</u></h2><h2>D. Motivating.</h2><h2 /><h2><u>EXPLANATION :</u></h2><h2><u /></h2>
The act of <em><u>"motivating"</u></em> yourself and then pushing for new limits is a key part of becoming a fit person.
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Answer:
determining the optimum resting heart rate