________ is the premature separation of the placenta from the uterine wall

The ICD-10 uses a rectangle to identify when an additional digit(s) is required, and the ICD-9 uses:

a. a hexagon. b. an octagon. c. a triangle. d. a circle.

Which of the following bacterial characteristics is associated with periodontal health?

A) Gram-positive, aerobic B) Gram-positive, anaerobic C) Gram-negative, aerobic D) Gram-negative, anaerobic