How are changes between phases consistent with the law of conservation of matter

When a substance change its phase, neither destruction nor creation of matter is carried out.

Explanation:

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In this case, a phase change or phase transition is a physical process based on a modification of a substance's molecular arrangement due to the heat adding or removal, in such a way, if for instance a liquid is boiled, heat is added so matter is not destroyed but changed in its molecular arrangement from more organized and quiet, to dispersed and choppy. A similar phenomena also occurs to other phase transition, therefore, one concludes that when a substance change its phase, neither destruction nor creation of matter is carried out so the law of conservation of matter is respected.

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it should be all of them because it asks if you included all of those in your answer

explanation:

the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.