What initially prevented deep mining for coal in premodern times?
A. mines flooding with water
B. stale air in deep mines
C. seepage of flammable fumes into the mine shafts
D. antiquated tunneling techniques
Answer: A
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Tokugawa Japan's most important commercial center was __________
A) Tokyo B) Canton C) Nagasaki D) Osaka
The Ptolemaic model of the universe troubled Copernicus mainly because
a. it disagreed with observations of the planets. b. it contradicted the Biblical cosmology. c. its mathematics was so complex. d. it contradicted Aristotle's cosmology. e. it lacked internal consistency.
_________ was the first state that withdrew from the Union. a. Mississippi B. Alabama C. Georgia D. South Carolina
Fill in the blank(s) with correct word
The Coercive Acts were intended to punish Massachusetts for the Boston Tea Party
a. true b. false