The division of something conceptually into two opposed or contrasted aspects, or the state of being so divided. Or .
the quality or condition of being dual; duality.
Answer:
Explanation:
Headache is the most common symptom. Most symptoms resolve within 14 to 21 days. Although recovery plans are unique to each person, all involve mental and physical rest and a gradual return to activity
Answer:
the patient must not have a functioning immune system
2
The cell membrane has 2 layers and is not a solid structure, it has millions of smaller molecules that create a porous container.