Hold your breath to find your target heart rate, then be calm until ur heart beat slows until it's the slowest, that's ur resting heart rate
Scientific means that things have been tested out and proven to be accurate. There are Scientific things related to psychology because psychologists also study neurons, nerves, etc.
Behaviors are related habits, movements , speech, etc and they are all apart of the brain and that’s what psychologists study
I have no idea what I just typed but I hope it helps -,- you can just build off of it if you feel like it’s accurate
I believe it would be cleaning, why?, well because when you clean you are most likely to plane how you want things to be cleaned and in order. So i would say B. Hope this helps <span />
If you dont get enough calcium that can lead to weaker bones and bone fractures as well.