Which of the following is a property of a pure substance? (5 points)

It can be chemically separated if it is a compound.

Its components can be separated with ease.

It is made up of two or more types of compounds.

The original components retain their individual properties.

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.