Answer:
importance
Explanation:
Emphasize means-give special importance or prominence to (something) in speaking or writing:
Then when someone emphasizes your text it probably means it's important.
HAVE A GREAT DAY!
Answer:
The importance of reading is to help you learn,realized and know the important side of the story.
I'm not quite sure how you want me to answer this but here...
'My three classes, biology, English, and reading are very hard but they are not as difficult as math.'
You do not capitalize classes unless it is a language or it as a number behind it (ex. Algebra 1.).