Fronts:
A) are rarely involved with cloud formation.
B) have substantial temperature gradients at their boundaries.
C) are best imagined as vertical walls of air.
D) come in three major varieties—cold, warm, and mixed.
Answer: B
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Shifting cultivation
A) technology and practice has changed dramatically over the last three centuries. B) requires more expenditure of energy than modern farming methods. C) works best with low population densities. D) is experiencing a revival among organic agriculturalists.
_____ an elongated ridge of sand that projects from the land into the mouth of an adjacent bay
Fill in the blank(s) with the appropriate word(s).
Although most settlements in North America were not planned for religious purposes,
A) most saw the emergence of religion over profit. B) most colonists were widely dispersed to ensure conversion of indigenous populations. C) most were built with a church at the center of the settlement. D) most, as a result, saw the church built on the margins of the community. E) most saw religion as the main focus after Christianity became the state religion.
Domesticated animals that have abandoned their dependence on people to resume life in the wild are called __________ animals
Fill in the blank(s) with correct word