Use the hazard symbols to suggest safety precautions the chemist should take when using the bromine

Bromine is a corrosive substance, and the scientist must wear protective clothing.
Bromine is a strong poison that can be inhaled, ingested and absorbed, so the scientist must wear gloves, a gas mask, and full protective clothing.
The hazard signs that should be included are uploaded below :)

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.