It was very big and could be seen just by walking down the streets, You said which statment explains the irony of it, but you didn't give me multiple choice, so this is all I could answer to
Answer:
Periodical and academic database
Explanation:
A periodical database contain s millions of citiations for articles in the arts, humanities, and social sciences and across every other fields. An academic database is a collection of information that is commonly used for research and writing, including access to academic journals.
So for the researcher to gain the information needed , he has to consult these two databases.
Umm hi how are you today keep going and dont cheet
Answer:
c
Explanation:
it's the only one that has to deal with vibrations