Answer:
I think it is c
Explanation:
because it is the only one that makes sense with the question
Scientists use curiosity, imagination, and previous scientific study to create research questions and hypotheses to begin their investigations into natural phenomenon. They use this process which formally is called the scientific method to carefully construct experiments to guide investigations of the world around them.
i will answer it but what is the underlined word?
I believe that distance plus sound equals the sound pressure level, but i could be wrong
