Anatomical changes. The hominoids are descendants of a common ancestor. Human evolution from its first separation from the last common ancestor of humans and chimpanzees is characterized by a number of morphological, developmental, physiological, and behavioral changes.
The average price people in the U.S. pay for electricity is about 12 cents per kilowatt-hour. (Context: A typical U.S. household uses about 908 kWh a month of electricity.).
Electric use I can put a figure on: A typical U.S. household consumes about 11,000 kWh per year, costing an average of $1,034 annually.. http://www1.eere.energy.gov/cons...