I believe the answer to your question will be atrioventricular but don't cross out pulmonary it could possibly be the answer.
Answer:
Improve staff morale
Prevent the spread of infection and disease.
B and C I believe
Answer:
the answer is B biological technician
Answer:
There is no possible way to prevent this.
Explanation:
Unless you count not skating at all. Her luck isn't on her side. Well, she could've used a railing or double skates.
When he has heard the whisle and doesnt stop