Respuesta :
Endothermic reactions are which absorbs energy from outside the system while exothermic reactions give off or releases energy outside the system.
Answer:
They are opposites because endothermic reactions require energy and exothermic reactions release energy.
Answer:
They are opposites because endothermic reactions require energy and exothermic reactions release energy.
Answer:
They are opposites because endothermic reactions require energy and exothermic reactions release energy.
Explanation: