Goodness gracious is that the app from ELA I hate the mosttty
<span>A. Adaptation
Adaptation of a film refers to referencing a section of or a whole of a book.</span>
Answer: Its C
Explanation: Cause in you're question it say "would probably NOT be used as support for a proposition to keep a city's public libraries open seven day's a week" and c is saying fewer and fewer are using the libraries which means c would not be used as support for a proposition.
If the root hydro- means "water", then the word that means "an electrical instrument used to monitor underwater sounds" is called a hydrophone. A hydrophone is a kind of microphone that is specifically used to detect and record sound waves underwater.