Answer:
friction
Explanation:
study island
Friction is a force that always opposes all motion; it always acts in a direction exactly opposite to that in which an object is moving (or trying to move), and typically comes when the surface rubs or drags against another as it moves.
An acute fracture is a break in a bone that occurs quickly, rapidly and usually traumatically.
Homeostasis.
Homeostasis is the ability (of an organism) to keep constant its internal environment, temperature, pH, or other internal factors.
I hope this helps!
-Bella
<em>BrainlyBluebell</em>
1680j
40g * 10C *4.2=1680j