(01.05 LC) Which of the following is a sign a chemical reaction has occurred?
O A solid dissolves in a liquid,
O A solid forms when two liquids are mixed.
O A solid melts to a liquid when it is heated,
O A solid metal changes shape.

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.