Chemical contaminants are chemicals toxic to plants and animals in waterways. The phrase 'chemical contamination' is used to indicate situations where chemicals are either present where they shouldn't be, or are at higher concentrations than they would naturally have occurred.

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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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I think you should pick D or B, your choice.
Ruunig and it is this becasue it makes your muscles retrct over and over agin
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