its etier oil or eltric and coming up close behind would be gas (fossil fuel)
The above answer is not only wrong but who would take it seriously? seriously!
The United States has two main sources of energy. Both are controversial but one more than the other. They are coal and hydro power. The U.S. employs other methods of energy but they are not as prevalent and currently not as cost effective. Monetarily that is.
The major sources of global commercial energy are oil, gas and coal.
The three major sources of global commercial energy are, (fossil fuels) petroleum, natural gas, and coal. (Cunningham & Cunningham, 2009, p. 283)
Reference
Cunningham, W.P. and Cunningham, M.A. (2008). Principles of environmental science: Inquiry and applications (5th ed.). New York: McGraw-Hill
The major nonrenewable and renweable sources of energy include oil and solar sources respectively.
Carbohydrates are major sources energy and fitness
Rivers
In nutrition, yes
Nuclear and hydraulics (or gravity)
· To protect against harmful by-products of major sources of energy · To preserve many of the natural resources that we currently use as sources of energy
The sun
wind and potroleum.
nonrenewable
10
Carbon dioxide emissions causing global warming.
Because coal makes a really good source of energy and is not that expensive.