Chang described two substances which participate in photosynthesis. substance a: plants absorb sunlight substance b: gas formed with glucose which statement is correct? substance a is chlorophyll and substance b is oxygen. substance a is oxygen and substance b is carbon dioxide. substance a is glucose and substance b is carbon dioxide. substance a is carbon dioxide and substance b is oxygen.

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.