Forces lead to new developments in methods for transforming resources into goods or services. for example, a new technique called hydraulic fracturing (or fracking) has been developed to harvest natural gas trapped below the earth's surface.

Technological forces.

Explanation:

These forces include the development of the better communication, improved management and better application of services. Which are taken as the positive changes and some of the negative influences includes the unemployment and the information or the data abuse.

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