I believe that the answer is C.
Hope that helps!!!
Answer:
im confused... i know its a song but.....
Because it helps spread ideas and pinpoint what you might be thinking of.
The Library of Congress is one of the biggest database of publications of a wide array of subjects and courses existing in the world. It is a useful site because of the statement found in option B. it has become one of the most credible and trusted sites which scientists depend.