<span>Sandra should give her workout more variety by either altering the exercises, intensity, or volume of work
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Answer: b. Whether the article will have an accompanying commentary.
Explanation;
Commentary for the publication of manuscript involves the article along with which the manuscript is published. It is not mandatory for the publication of the manuscript. The chief editor of the journal invites the well known author or professional to comment on the manuscript by creating an additional article so that it may receive more attention from the readers.
They use keywords and accurate descriptions to try and trigger this health issue.