The answer is threatening behavior by predators. Reason is that it is used as a self defense strategy.
To find the acceleration, use the formula: force= mass x acceleration.
12.5 N = 10 x Acceleration
Acceleration = 12.5 / 10
Acceleration = 1.25
Hope this helps :)
There are no answer choices, so here are all of the non-metals:
Hydrogen, Helium, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Phosphorus, Sulfur, Chlorine, Argon, Selenium, Bromine, Krypton, Iodine, Xenon, Astatine, Radon, Tennessine, and Oganesson.
Hope this helps!!!
(Please give brainliest lol)