Answer:
definitely I would say a virus
<span>The first step used by the EPA when creating environmental protection regulations is letter C, research. EPA has its central station in Washington, D.C., local workplaces for each of the organization's ten districts, and 27 research facilities. The organization leads an ecological evaluation, research, and instruction. It has the obligation of keeping up and authorizing national norms under an assortment of ecological laws, in meeting with state, tribal, and neighborhood governments.</span>
B: enzyme because a substance produced by a living organism that acts as a catalyst to bring about specific biochemical reaction
Answer:
b. dyspnea
Explanation:
Dyspnea -
It is the health condition , where the person is not able to breath adequate amount of air , which could be due to any problem in heart or lungs , or could be due to intensive session of workout or physical activity , is referred to as dyspnea.
The symptom of dyspnea , is -
labored breathing , which can last for a minute or so.
It is chronic disorder.
Hence, from the given scenario of the question,
The correct option from the given options is dyspnea.
