Which of the following describes volume?

a. the number of particles or amount of matter
b. amount of mass contained in a certain space
c. how fast the particles of matter are moving
d. the amount of space that matter occupies

може ли да зареждате повече информация, моля

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.