What does it mean if a substance is insoluble? A. It does not dissolve. B. It dissolves in another substance. C. It makes new molecules. D. It creates a new compound.

Identify a specific example for each type of technology

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

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here