Some plateaus, ocean ridges, ancient island arcs, and parts of continental crust are too buoyant to be subducted. These are, instead, squeezed and sheared onto the face of a continent, forming ____
A) Wadati-Benioff zones
B) terranes
C) rift valleys
D) sea mounts
B
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Global warming threatens coral reefs because
A. warm temperatures prevent corals from hunting for food. B. warm temperatures cause the shells of corals to dissolve. C. the bacteria that cause coral bleaching thrive when temperatures are warm. D. corals eject the dinoflagellates that live within their tissues when seawater temperatures are too high.
An "air mass" is a large body of air that has similar horizontal characteristics of
A) moisture and temperature. B) temperature and density. C) density and pollen. D) moisture and winds.
Frost that forms on cold glass is created by the process of:
A) sublimation. B) deposition. C) freezing. D) transpiration.
A worldwide decrease of at least _____°C in temperature would bring about a new glacial age.
A. 25 B. 50 C. 5 D. 1 E. 10