1) Loudness and pitch are two important properties of a musical sound a) If a musician plays a softer note, Which property has been changed, loudness or pitch?

b) If the musician makes the note lower , which property has been changed loudness or pitch

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.

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