How does empathy change in endothermic and exothermic
reactions?

What is produced from neutralization of an acid and a base? a. hydronium ions b. citric acid c. salt and water

How does science use models to gain a better understanding of concepts?

Which can be observed only in a microscopic view? a) structure of a muscle cell b) shape of a soybean plant c) foam insulation d) x-ray of a knee joint