A chemistry student makes careful observations and measurements of a small sample of matter ,and determines the following The student determines that the unknown substance is gallium .which of the following is an extensive property of the gallium sample

Mass and volume

Explanation:

An extensive property of a substance is one that does depend on the amount of substance it contains.

Mass and volume are typical extensive property of any substance.

Therefore, mass and volume are typical extensive properties.

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.

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.