Help !! Hypothesis: If a material undergoes a chemical change, then it will not retain its original properties because a new substance is formed.

To test the hypothesis above, you will observe the changes during the experiment.

To do this, you will use these observations to compare the
of the substances
to the
of the substances.

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I’m guessing you’re more alert to yourself or your surroundings if you’re more concentrated

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.