Answer:
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Explanation:
A stellar remnant is the correct answer
The correct answer to this question is "Including a control group that did not receive the supplement." This is the change in this study that would do the most to increase Reynaldo's confidence that sound scientific practices were followed. It would help them distinguish the effect of the drug and other factors which might have influenced the study. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
A difference between plant cells and animal cells is that most animal cells are round whereas most plant cells are rectangular. Another difference would be that plant cells have a rigid cell wall that surrounds the cell membrane, animal cells do not have a cell wall.
A similarity is that both plant and animal cells have a nucleus.
It represents a sodium ion, this may not answer it as there are no options given.