With different volumes and mass of water will the density change?

No matter what size sample of water you measure, the relationship between the mass and volume will always be the same. Because D=m/v, the density is the same for any amount of water..

Explanation:

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no matter what size sample of water you measure, the relationship between the mass and volume will always be the same.

Explanation:

because D=m/v, the density is the same for any amount of water.

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.