Answer:
Mutation in influenza virus occurs frequently.
Explanation:
It is possible for the influenza virus to increase in different tissues during each subsequent year, and immune memory is limited only to those tissues that have been initially infected.
The initial nfection with influenza weakens the immune system.
Mutation in the influenza virus occurs frequently.
Answer:
C. Stacking rings by size
Explanation:
Similar to a puzzle a young child would have to judge the sizes and gather and organize that information.
Answer: an emergency that requires medical attention
Explanation:
List the 3 types of critical relationships :
-TRADITIONAL RELATIONSHIP
-CONSCIOUS RELATIONSHIP
-TRANSCENDENT RELATIONSHIP