Reactions that affect the nucleus of an atom are called ?
a. fusions
b. radioactive decays
c. nuclear reactions
d. fissions

that tool would be a compass

so she was walking and she stepped on warm jeffy , uh uh uhh dadye i just pooped my pants

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.