How does aerobic exercise prevent cardiovascular diseases?

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

Lordosis can often be prevented by strengthening core muscles in the abdominals and back. a. true b. false

Is tea good for you? if so what type of tea is good for you? and how much should i drink before it is a threat to my health?