Which statement is true of an activated complex formed during a chemical reaction?

it contains all the atoms of the reactant particles.

it is a stable collection of reactant atoms.

it is only formed in the forward direction.

it exists along with product molecules at the end of the reaction.

Which activity describes an application of topographic maps? check all that apply. recreation, such as camping and hiking engineering, such as the construction of roads and buildings science, such as mapping stars in the sky business, such as analyzing population centers science, such as analyzing surface features