What is it small particle that makes up most kinds of matter? invisible, negative charged particle? statement that matter is not created or destroyed, but only charges its form? me

50 pts plz what is the physical state of matter of baking soda.

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

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm