“Help”.... I think suits to complete it
4. The teacher, in her Health class mentions that there are several types of periodontal diseases, one of them is the one that causes inflammation and infection of the ligaments and bones that support the teeth, corresponds to:
(1 point)
Gingivitis
Periodontitis
Cavities
Oral herpes
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.