Which of the following should workers do to staysafe when working around silica dust?

Claustrophobia is an example of a(n)

Which of the following defines scoliosis? a. a posture disorder characterized by the shoulders being rounded and the back hunched b. a posture disorder in which the spine curves up the back like a snake c. a posture disorder characterized by excessive curvature or arch in the lower back d. none of the above

How could natural selection best be used to explain the evolution of the white fur of arctic fox