Which of the following variables are associated with reducing a woman's fertility rate I. Affluence II. Availability of family planning services III. Early Marriage IV. Education

A. I, II, and IV B. II and IV only C. II, III, and IV D. I, II, and III

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.

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind

Aplant may open end close its stomata to prevent excess water loss and maintain