Which of the following has been formed on the Asian continent by two continental plates that have been pressing together for millions of years?

The answer is cultural

B. to study the spatial patterning of forests and forests fires and plan for better use of fire fighting resources in the u.s.

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