What is the primary purpose of this map?
a)to name states and major cities
b)to identify surrounding countries
c)to locate territories and settlements
d)to show landforms and bodies of water

This might be a glitch but the map isint attached to the question.

The sun's parallax would be 180 degrees, greater than which you can't get.  so a. would be your anwser 

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