Rainbows are more beautiful after fall rainstorms then spring rain storms. this statement is a poor hypothesis because it is not

According to the loco mass the mass of reactants and products

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

18. over time, how do sand dunes tend to migrate? a. perpendicular to the movement of the wind b. in the same direction as the wind blows c. toward the wind d. in random directions