Opaque means it's not see through, not clear, or transparent
Answer:
music builds motivation, & helps with concentration, depending on what you're doing/listening to, it can also help with expression/emotion. upbeat music helps us produce dopamine and serotonin.
Missing too many days of school is bad for your education because you will miss a lot of class time and fall behind !
Please mark brainliest
The definition of <em>i</em>t is...
used to refer to a thing previously mentioned or easily identified.
Hope you weren't looking for anything more specific.
As you know, it's pretty obviously used in sentences, so thanls for the free points :)