Following Europe's initial contact with the Americas, a great transfer of plants, animals, and disease occurred between Europe and the Americas. This process is known as
a. globalization.
b. the Columbian Exchange.
c. mass extinction.
d. trade organizations.
e. commerce.
B
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Which rock type would make the best aquifer?
A. shale B. sandstone C. mudstone D. All of these choices are correct.
When an alpine glacier flows through a valley, it makes the valley wider by
A. plucking. B. abrasion. C. deposition. D. dissolving.
How does the GDP (Gross Domestic Product) differ from the GPI (Genuine Progress Indicator)?
- GDP does not include items bought and sold over the Internet. Critics say that this makes the GDP out-of-date and came up with the GPI to add these purchases into the calculations. - GPI reflects the total value of goods and services, while the GDP focuses only on the goods produced. - The GDP reflects only a single calendar year, while the GPI looks at historical trends and projects into the future. - The GPI takes into account externalities (both good and bad) and other nonmarket values, while the GDP does not.
Which of the following statements is most plausible?
a. In winter, cP source regions have higher temperatures than mT source regions. b. In summer, mP source regions have higher temperatures than cT source regions. c. In winter, cA source regions have lower temperatures than cP source regions. d. In summer, mT source regions have lower temperatures than mP source regions. e. All the statements are equally plausible.