Answer: posture
Explanation: to do any exercise correctly such as squats, you need to practice good posture while you are doing them, so you are safe and don’t damage any muscles while exercising
Friction is harmful because if your riding and you suddenly stop the friction will make you keep going forward and you'll fall super hard on the concrete(my experience).You also lose your balance. Friction is helpful because it prevents you from hitting cars and pedestrians.
The answer is Americans with Disabilities Act
The Act was enacted in 1990 by President George W. Bush
The act requires covered employers to provide reasonable accommodations for workers with disability and impose accessibility to employment opportunities<span />
