<span>A low white blood cell count usually is caused by: Viral infections that temporarily disrupt the work of bone marrow. Certain disorders present at birth (congenital) that involve diminished bone marrow function. Cancer (or other diseases that damage bone marrow)</span>
Answer:
C
Explanation:
all of them have negative effects on the enviroment as a whole but C gives no reason why it would be a consequence
Answer:
There's not enough information to answer this. You need to provide the information on the people.
D it allows all substances to enter & exit the cell.
