Abstract would be the answer
When homeostasis is not maintained, the body cannot function properly and illness may ensure.<span> Homeostasis is the process in which the body's overall internal environment is kept constant in response to any external environmental changes.</span>
I think it’s 2.They allow people to avoid experiencing sadness.
<u>The forces are balanced so no motion occurs.</u>
There'll be no change in the state of an object if the forces are balanced.
