Between 1864 and 1900, the largest portion of railroad track (as a percentage of total annual construction) was laid in which region of the U.S.?
a. the Southeast
b. the Northeast
c. the Pacific Northwest
d. the Great Plains region
Question 2
Widespread assumptions about the first transatlantic railroad did NOT include:
a. that government support was as essential.
b. that profits to the nation would be enormous.
c. that private investors would be easily compensated for any risk.
d. that transatlantic crossing via rail would take a fraction of the time of a clipper ship passage.
Annual net primary productivity on Earth.
The Dugong is an endangered species; the largest remaining population is found in Australian waters
Largest Predators
Decrease in Fertility, 1800–1900
Athletic masseur, Harry Andrews c. 1900.
Total Fertility Rate in the United States, 1860–2008