Which change occurs during a nuclear fission reaction?

(1) covalent bonds are converted to ionic bonds.
(2) isotopes are converted to isomers.
(3) temperature is converted to mass.
(4) matter is converted to energy

Matter is converted to energy

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.