Some flowers have specific pollinators that only visit that particular flower. This phenomenon has developed over a long time period and has involved each species evolving in response to the other. It is called

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.

Witch theory suggests all living things are made up of cell or cells

This connective tissue consists of large round densely packed cells with the nucleus pushed to one side.