What are
products?
Starting chemicals
Ending chemicals
O Leftover chemicals.

Ithink it is quantity of plants

Icant see the pictures 

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.

Answerstudying coal cumbustion as an energy source;