What is the difference in energy between a photon o violet light with a frequency of 6.8 x 10^14 Hz and a photon of red light with a frequency of 4.3 x 10^14 Hz?

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.

The metal is named first