The United States today gets nearly all of its energy from three energy resources. Which one of the following is not one of these three?
A) natural gas B) coal
C) oil--i.e., petroleum D) nuclear
D
Physics & Space Science
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The tendency of an object to resist change in motion is called.
a. mass b. inertia c. friction d. velocity
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Why must you be careful in how you start the timing when you measure the time increments for multiple oscillations of a vibrating system?
Physics & Space Science
If the wavelength of an electromagnetic wave is about the radius of the earth, what type of radiation is it?
A. X-ray B. Visible light C. Microwave D. Radio wave E. Wavelengths can't be that big.
Physics & Space Science
The process of matching up rock layers in different localities by such means as index fossils is called
a. conformational analysis. b. correlation. c. indexation. d. cross-cutting.
Physics & Space Science