Using improved chemistry equipment in the late 1700s, chemists
observed that mass is neither created nor destroyed in a chemical
reaction. this scientific law is called the law of
a. definite proportions.
b. gravity.
c. conservation of mass.
d. conservation of momentum.

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.

answer7,570,82356 cubic centimeters;