B or c because they both are very good answers sorry i couldn't help that much :(
<span>B. occur when a patient doesn't produce enough leukocytes.</span>
I would say HMO. The reason is it says SELECTED physicians. An HMO is an in network where you can only go to certain doctors and facilities. In return the doctors receive a little less than what they would originally be paid by other insurances. PPO's you can go to any doctor you want, however the insurance may not cover as much. Hope this helped. I would go with HMO.
Answer:
True
Explanation:
Cross Connection and Backflow are so important because they could introduce dangerous substances into the safe drinking water system. All water utilities work hard to meet high standards of safety in order to protect public health from backflow due to cross connection.