ANSWER QUICKLY PLEASE In the endothermic reaction below, how would adding heat affect the equilibrium of the system? (2 points) A + B + energy ⇄ + D

Select one:
a. Shift it to the left toward the reactants.
b. Shift it to the right toward the products.
c. Equally create more products and reactants.

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.