Answer:
Explanation:
circumduction definition:
Circumduction is the movement of the limb, hand, or fingers in a circular pattern, using the sequential combination of flexion, adduction, extension, and abduction motions. Adduction, abduction, and circumduction take place at the shoulder, hip, wrist, metacarpophalangeal, and metatarsophalangeal joints.
flexion definition:
Flexion refers to a movement that decreases the angle between two body parts. ... Extension refers to a movement that increases the angle between two body parts. Extension at the elbow is increasing the angle between the ulna and the humerus.
adduction definition:
the movement of a limb or other part toward the midline of the body or toward another part.
abduction definition:
the movement of a limb or other part away from the midline of the body, or from another part.
I think it’s B. Fluoridated Gases
The fraction is in simplest form. That is only if it's asking to simplify the fraction.
About 59% according to the article in Morbidity and Mortality Weekly Report
