C I think it is cause I just think
Answer:
The four main resistance forces are objects with mass, inertia, and momentum; friction; gravity; and air resistance.
Explanation:
D.Birth Control because when you use, its a small chance you'll get pregnant
Answer:
Take your fitness to new levels by getting the immediate feedback of a heart rate monitor. With a heart rate monitor, you can get objective feedback on how hard you are working, whether it is in keeping with your training goals, and even whether or not you are overtraining.
Explanation:
I would say they both fall into the category of pseudoscience.