I think it's most likely D because when I googled the definition it said something about gas so yeah
According to statistics, currently there are approximately 22 million drug users living in the United States.
I’m not a hundred percent sure, but off intuition I would say
Check the scene for hazardous conditions
Call EMS with information about the accident.
Check the vital signs of the patient
Administer first aid
Portion control, fruits and vegetables, whole grains, limiting unhealthy fats, limiting processed foods.
The risk of infectious disease might be high in a community that has no water treatment facility because gems spread faster through water , most viruses also are usually spread faster on untreated water.