Answer:
its b i just did it and got it right i promise !
Explanation:
1. You should drink at least 2 bottles of water everyday so you won’t get dehydrated
2.you should excercise at least three times a week for your bones, muscles, and respiratory system
Yes, it does agree with the subject
Electronic: Email, Instant Messaging (e.g Gmail/Facebook)
Physical: Mail, Signs/Symbols (e.g Letters/Road Signs)
Unique: Braille