Two substances, A and B, are to be identified. Substance A can not be broken down by a chemical change. Substance B can be broken down by a chemical change. What can be concluded about these substances?

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.

Yes, endothermic means it turns cold. and some chemical changes include change of tempature.

Answer heart of american                  live in harmony                    hillsides of orchards                    blaze of color                    backdrop of pines;