1. Write short noteon the two most common liver infection that caused by viral hepatitis. Consider the following points. a. What are the etiological agents?
b. Means of transmission of causative agents
c. Identify the given virus whether DNA or RNA virus, Enveloped or Naked virus
d. the most symptomatic clinical symptoms for each causative agents​

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

answer increasing the intensity, duration,and frequency of exercise progressively;