Which term is defined as exact location where an earthquake occurred

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

What happens to isotopes that are unstable?

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?