What mountain range is where the countries of russia, china, mongolia, and kazakhstan come together

Ibelieve the answer is c also i'm in k12 too

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

Answerdistinguish between the mercalli scale and the richter scale;

Answer b is the answet