The red dots that coincide with volcanically active island chains shown on the map are called
A) hot spots.
B) midocean ridges.
C) abyssal plains.
D) island arcs.
A) hot spots.
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Which of the following locations would contain large, angular rocks that broke away from bedrock and moved downhill?
A) Location 1, along the margins of a glacier
B) Location 2, along a steep mountain front
C) Location 3, in sand dunes
D) Location 4, along a beach
E) Location 5, on relatively deep seafloor
Which of the following is the best example of heat transfer by conduction?
A. A burner gives heat through the air without touching the object. B. A pan is placed directly on a burner. C. Seawater is drawn into a mid-ocean ridge. D. Water within the pan flows in a circular path.
Carcinogens may be difficult to identify because ________
A) there is no way to measure the carcinogenic potential of a substance B) they are the least common toxicants C) there is a long lag time between exposure to the agent and disease D) they are rare in nature E) most are invisible
What is the source of much of water in geothermal features such as geysers and hot springs?
A) Precipitation B) Water vapor from magma C) Melting glaciers D) Subterranean lakes