What does the frequency of a wave represent? a. the distance between two consecutive crests b. the number of wave cycles that pass through a specific point within a given time period c. the distance between the highest and lowest points of a wave d. the length of wave that pass through a specific point within a given time period

The answer is b on plato.

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.