Which of the following biogeochemical cycles uses the reaction 2N2 + 6H2O --> 4NH3 + 3O2? (3 points) The phosphorus cycle The carbon cycle The water cycle The nitrogen cycle

A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground,its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy