Which of the following best matches the description?Period in history when machinery replaced human labor.
A. methanol
B. OECD
C. Carboniferous period
D. gross domestic product
E. Industrial Revolution
F. hunter-gatherer
G. hydrogen fuel cell
H. OPEC
I. fossil fuels
J. compressed natural gas
Answer: E
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Doppler radar detects precipitation but not winds
Indicate whether the statement is true or false
Figure 6.5
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On the accompanying graph, what does the horizontal line at 2.1 births per women represent? What does the section of the graph marked "A" represent? What does the section of the graph marked "B" represent?
Fill in the blank(s) with the appropriate word(s).
Which map-making method would be used to minimize distortion of continents on a world map?
a. a perfectly equivalent projection b. a large scale c. a conic projection d. an interrupted projection e. A mercator projection
The greatest wind speeds occur in the center of jet streams, with velocities decreasing away from the center.
a. true b. false