elements are arranged in groups by similar atomic structure on the periodic table. this allows for an elements properties to be predicted based on general periodic trends. One of these trends, atomic radius , increases down a group and to the left along a period can be defined as

SUB TO HAVIN RX

Explanation:

yes

ya te ayud espera

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.