Definition-change in a population or species over time.
Im pretty sure the answer is c.
let me know if its correct
<span>The introduction of an unpleasant or painful stimulus, or the removal of a desirable stimulus, can be use to decrease the probability that a preceding behavior will occur in the future can be classified as punishment. This is a behavior modification which is a technique that is use to promote desirable behavior and lessen undesirable behavior.</span>
They form when lava cools above the earths rocks. Hope I helped and You're Welcome.
