what is this subject maybe you search for it
All viruses contain nucleic acid, either DNA or RNA (but not both), and a protein coat, which encases the nucleic acid. Some viruses are also enclosed by an envelope of fat and protein molecules. In its infective form, outside the cell, a virus particle is called a virion.
Answer:
Cognitive Behavioural Therapy is the most effective form of psychotherapy for anxiety disorders
Epidermis; the blood vessels contract. Epidermis; the blood vessels dilate. Dermis; the blood vessels dilate. Dermis; the blood vessels contract. i think it D