The stages of the epidemiologic transition are based on

Is there a picture of the diagram?

Dall of the above all of the choices make sense

So  if  the sum of the enthalpies of the reactants is greater than the products, the  reaction  will be  exothermic.  if  the products side has a larger enthalpy, the  reaction  is  endothermic. you may wonder why  endothermic reactions, which soak up energy or enthalpy from the environment, even happen

Answer sinking and cooled;