B is correct because all of the verbs are in the same tense.
Answer:
Shut off the heater, open all air vents, Schedule regular maintenance, Keep fireplaces clean and well vented and medical attention.
Explanation:
Shut off the heater, open all air vents, Schedule regular maintenance, Keep fireplaces clean and well vented and medical attention should be used by the pilot who suspects carbonmonoxide condition in an aircraft in order to mitigate carbon monoxide poisoning in an aircraft. These ways and methods are used to prevent carbon monoxide poisoning in an aircraft.
Explanation:
What is the main problem in this story? The miller needs a job and worries about people's opinion of him.
Answer: Hamilton's failure to uphold his private marriage vow inevitably made any public vow he made suspect. In a Biblical allusion to King David, she warned that with Hamilton in charge of the army, “Every Uriah must tremble for his Bathsheba.”
Explanation:
The answer is the person so him/her hope it helps <3
