In the United States from the Civil War to World War II, the most important fuel was
A) natural gas.
B) coal.
C) wood.
D) oil.
B
You might also like to view...
Why does a jacket keep you warm on a windy day?
A. The jacket prevents the wind from blowing away the layer of air that has been warmed by your body. B. Wind is the flow of cold air so the jacket prevents cold air from reaching the body. C. The jacket prevents water vapor from getting near your body and absorbing body heat. D. The jacket acts like a florist's greenhouse, trapping long-wavelength radiation near your body.
The explanation for refraction must involve a change in
A) frequency. B) wavelength. C) speed. D) all of the above E) none of the above
Continental growth during the Early Proterozoic development of Laurentia was related to ____________________ of Archean age cratons
Fill in the blank(s) with correct word
Major mass extinctions
What will be an ideal response?