What is some of the evidence behind the theory of evolution?

In which state was more than 100 billion tons of coal mined in 2005?

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?