The diagram below represents reaction of reactant A and reactant B combining to form product C. Reactant A illustrates an example of which of the following?
Molecules of an element
0
Atoms of an element
Molecules of a compound
O A mixture

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

Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?

Which statement best describes the flow of energy in this scenario