What is Dx means? what is Px means? what is Tx means?

What do you do if a teacher is unjustly grading you, but also id discriminating because your a girl in a dyn criminal justice class? its almost starting to become harassment because he wont leave me alone about it

Results from damage to tiny air sacs in the lungs

Checklists and rating scales can be used to monitor children’s developmental progress and to diagnose developmental delays. true false