:) brainliest and +10 pts salt is an ionic solid and oxygen is a covalent gas. which substance would have greatest attraction between particles? and why? a.) oxygen, because gas particle are further apart then solids. b) salt, because ionic compounds are larger than covalent molecules. c) salt, because ionic compounds have attractions between ions of adjacent particles. d) oxygen, because covalent bonds have stronger attraction to the molecules around them.

Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

Which position represents spring in the southern hemisphere? a) b) c) d)

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage