Drag and drop the words to complete the sentence. Words may be used once or not at all. abiotic , biotic , crude oil , soil , trees

Coal, , and natural gas are considered resources because they are formed from the remains of living things.

the dependant variable is spilled water

the independent is the heat

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.