Last week, Belinda practiced the violin for 45 minutes each day for 6 days. What was the total amount of time in hours, that Belinda practiced the violin last week?

260

Explanation:

Last week, Belinda practiced the violin for 45 minutes each day for 6 days.

Now,Multiply 45 minutes of 6 days

45×6=260

Therefore, The amount of time in hours, that Belinda practiced the violin last week.

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.