Compare Two Explanations Of The Same Scientific Concept

One source says one thing, another says something that sounds different, and you cannot tell if they are contradicting each other or just using different words for the same idea. This compares both explanations directly and tells you plainly which is more accurate and why.

You have read two different explanations of {SCIENTIFIC_CONCEPT}, one from [a school textbook] and one from [a popular science article], and they seem to contradict each other or use different language for the same thing. Compare the two explanations, identify what is genuinely different versus just different wording for the same idea, and tell me which one is more accurate or complete and why.