The periodontium is the specialized tissues that both surround and support the teeth, maintaining them in the maxillary and mandibular bones. The word comes from the Greek terms περί peri-, meaning "around" and -odont, meaning "tooth". ... Alveolar bone proper. The answer is C
Answer:
Sickle cell trait has been observed in regions where malaria is common for over 50 years and has since become renowned for its perplexing ability to protect its carrier from malaria.
Explanation:
Their failure will adversely affect our ability to control malaria.
