A mystery metal reacts with silver nitrate and copper sulfate but not with zinc sulfate and iron sulfate. Suggest what this metal could be

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.

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.

it would only be the stuff in module eight so you need to study all the lessons in that you also could check the flvs

hope this : )