Explanation:
Evirmental disruption because if they had stability then they would not need change. The other two don't make sense....I hope this helps
Particle C is more likely to participate in the reaction than particle B.
A. Because the light from the sun is blocked by the earth giving us the illusion that there is "no moon" because there is no light to illuminate the moon
Rare earth metals are a group of 17 elements - lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium - that appear in low concentrations in the ground