C. When there is an equal number of molecules on each side
Answer: A group that closet matches characteristics
Explanation:
A representative sample is a group that closely matches the characteristics of its population as a whole. In other words, the sample is a fairly accurate reflection of the population from which the sample is drawn.
The three types of consumers in the animal kingdom are carnivores, herbivores and omnivores. Carnivores eat only meat hope I hleped