If we assume that, in the african savanna, the predator population remains constant, what other, nonmobile, factor would influence the antelope population? a) human presence b) other antelope c) available grass d) competition from zebra

An 88 year-old widow with uterine prolapse and multiple comorbid conditions has been unsuccessful in the use of a pessary for treatment elects to receive colpocleisis (lefort type) to prevent further prolapse and avoid more significant surgery like hysterectomy. the treatment is successful. what are the cpt® and icd-10-cm codes reported for this procedure?

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?