<span>A is the correct answer. The developmental norms are stages at which humans typically develop the ability to successfully complete an activity without aid, for example, being able to walk. When people have reached the age of the norm and cannot complete the activity, there may be cause for concern.</span>
Answer:
First Responder Awareness.
Explanation:
Emergency medical technician (EMT) acts as a health care provider in the emergency medical services. EMT are trained to handle the emergency situations like traumatic injuries and medical issues.
Johnny acts as an EMT, and able to recognize the the existence of a potentially dangerous scene involving hazardous materials . He is working at the first responder awareness level as it provides the oxygen therapy.
Thus, the answer is First Responder Awareness.
I think it’s D let me know if it’s right