Answer:
a word (other than a pronoun) used to identify any of a class of people, places, or things ( common noun ), or to name a particular one of these ( proper noun ).
Explanation:
There are several answers but here is some:
1. Stay fit (eat well, sleep well, etc)
2. Study as much as you can (ask questions if possible)
3. Think Positive
C Problem and Solution
Hope this help!
