Why do molecules change the speed? (SELECT ONE)  Claim 1: Molecules speed up when energy is created and slow down when energy is destroyed.
 Claim 2: Molecules speed up when they get energy from other molecules and slow down when they give energy to other molecules.

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.