Which fuel source has declined the most since the 1900s?
A) coal
B) hydropower
C) wood
D) geothermal
E) natural tas
Question 2
Which of the following is NOT true about the world's energy supply?
A) 33 percent of the world's natural gas is produced in Southwest Asia and Russia.
B) Approximately 50 percent of the world's coal reserves are found in China.
C) Russia and Saudi Arabia provide at least 25 percent of the world's petroleum.
D) The United States produced 50 percent of the world's petroleum output.
E) 33 percent of the world's natural gas comes from the United States and other developed countries.
An engine will not run if the air–fuel mixture is either too rich or too lean.
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Nuts are also a good source of B group vitamins (including folate), and vitamin E