Whats the answers to 3 and 4... have the right answer i can only take this one time

What angle should your knees not bend past when squatting? a. 30 degrees b. 45 degrees c. 90 degrees d. 120 degrees

Bulimia nervosa cannot be prevented, but it can be treated if diagnosed early. true or false?

Jamie is trying to become more active likes to run and lift weights but he feels the need to do more to get hidden burned up in work his heart doesn't have access to gym but has weights in living community with sidewalks can you come up with three different workouts for him that will him get into his target heart rate zone