A chemical change occurs when two or more substances react to form one or more new substances. Which of the following best completes this statement about a chemical reaction? In a chemical reaction, . . .

A. Atoms are neither created nor destroyed.

B. Some atoms from the reactants may be lost.

C. Extra atoms are always gained in the product.

D. Extra atoms are added to the product, if needed.

The answer would be a

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.

Butterfly wingspan is 7.7