Where e is the energy of an object, m is its mass, and c is a variable representing the speed of light. if an astronomer knows a particle’s energy and the speed of light, the particle’s mass can be determined. which of the following equations is properly rearranged for to solve for m ?

Why is the study of demography important to geographers

What can happen to solar radiation when it enters earth’s atmosphere? check all that apply. it is absorbed by earth. it is reflected by clouds. it is reflected by glacial ice. it is condensed into visible light. it is amplified by water molecules.

Select the best hypothesis explaining why countries may have preferred communism. communism promised jobs after the insecurities of war. communists forced the people to do what they said. communism was fueled by a dislike for democracy. communism provided economic freedom for businesses and workers.