Which of the Following Best Describes a Factor Responsible for the Urban

Multiple Choice

Which of the following best describes a factor responsible for the urban heating effect?

A) Heat dissipated by homes,vehicles,and factories.
B) Increased natural materials that conduct more energy than artificial surfaces.
C) Increased albedo of urban environments relative to that of natural landscapes.
D) The concentration of people,machines and heat generating devices adds more heat to the environment.