Mountainous terrain created a scarcity of farmable land in the Inca Empire.

Which solution best completes the chart?

A.) fertilizer

B.)three-field system

C.)step terraces

D.)irrigation canals

What exactly do you mean 

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