Answer:
The correct answers are
A.Layer C is younger than layer A.
B. Layer B is younger than layer A but older than layer D.
Explanation:
just took the test and got it right
Our blood will now have antibodies specific to the chicken pox antigen
Answer:
Streptococcal or Staphylococcal bacteria
Explanation:
They attach themselves to the inner lining of the heart making it to becme inflamed and casing damage to the heart valves.
Answer:
Living organisms undergo growth and development. Every living organism begins life as a single cell.