What is an isolated system? O
A. A system that allows energy and mass to move in and out of it
B. A system that allows mass to move in and out but not energy
Ο Ο
C. A system that does not allow energy or mass to move in or out of
it
O D. A system that allows energy to move in and out but not mass

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.

Bthe s the