Which of the following are pressing problems for mexico? lack of economic development high unemployment lack of natural resources low standard of living

i hope that helps you

Ithink the answer to that would be b):

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