Someone again if i dont get this right i will fail oh (sorry it is blurry if you can't see the numbers it is 50-55-60-65-70-75

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

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

Compare and contrast an assemblage and a pollen fingerprint by defying both and giving examples of each from the chapter.