Answer:
but much research has been done and more has learned about brain injuries in the last 5 years
Explanation:
because this shows they are telling more players about the injuries and informing them about the dangers of playing
Answer:
Yes
Explanation:
Yes they should. That would be great
A playwrights might use a meter because he/she might want the audience to be aware or laugh
add notes to (a text or diagram) giving explanation or comment.
