The movement about which geographers talk usually refers to

People, Goods, and Ideas are what mostly Geographers talk about.

people, goods, and ideas

Explanation:

The movement that takes place on earth as a character by the geographer is mostly in the form of people, goods, and services and this is an important characteristic of the earth. Human geographer studies the migration patterns of the people and the other distributional patterns across the globe and thus are referred to the global patterns of trade of ideas, there goods and services and thus the growth of the people.Thus movement is always studied in term of the mass moments of the people, patterns and the availability of the means of the distribution.

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