George Westinghouse developed

A) ?direct current.
B) ?alternating current.
C) ?the incandescent lightbulb.
D) ?a more efficient way to refine steel.
E) ?None of these are correct.


B

History

You might also like to view...

A component of the Contract with America was __________.

a. a line-item veto for the president b. a restriction on campaign donations by lobbyists c. the removal of term limits for members of Congress d. requiring drug tests for welfare benefits

History

The "fifth modernization" referred to in post-Mao China was

A. land reform. B. national defense. C. democracy. D. industry. E. technology.

History

What is meant by the "vanishing point" in painting?

a. The spot at which perspective is lost. b. The blending of colors into one another. c. The convergence of lines to give the appearance of dimension. d. The embedding or hiding an image in the background of a painting. e. The extension a picture to the very edges of a canvas to convey its continuation.

History

Describe Maya religious beliefs and practices. What was the purpose of their bloodletting rituals?

What will be an ideal response?

History