What is one difference between a mixture and a compound?
1. A mixture must be uniform in composi-
tion.
2. A mixture can only be separated into its
components by chemical means.
3. A compound consists of more than one
phase.
4. A compound can only be separated into
its components by chemical means.

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying

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.