What types of equilibrium allow people to perform the actions mentioned below? equilibrium allows people to nod, while
equilibrium allows people to twirl without
losing balance.

Static

equilibrium allows people to nod, while  

Dynamic

equilibrium allows people to twirl without losing balance.

Explanation:

Static equilibrium

The receptors in the vestibule respond to linear movement of the head. This is called static equilibrium. In static equilibrium, the body remains still, or static. **Nodding** and moving the head to the left or right are possible because of static equilibrium.

Dynamic equilibrium

The receptors in the semicircular canals respond to the rotational movement of the head. This is an example of dynamic equilibrium, the other type of equilibrium mechanism. In dynamic equilibrium, the vestibular system responds to the movement of the entire body. For example, maintaining equilibrium while **spinning** is possible because of dynamic

if your boyfriend is cheating on you, my best advice to you is to dump him, he's only going to drag you down. and if you do, don't fret there's plenty better that know how to treat a person right. i mean honestly, the whole point of a romantic relationship is love, and if you love someone you aren't going to cheat on them. i do believe in second chances, but why would he cheat in the first place? i personally feel that if someone cheats, they ruin any chance they wanted/had with you. i wish you the best of luck with this, hang in there.