180°E and 180°W are the same line. What is its name?

I only know what 180W is = 180 wats

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 the zagros mountains, stretch across western iran and are located next to the khuzestan plain; answer( zagros mountains