What likely caused much of the damage shown in this photograph in the 1906 San Francisco earthquake?
A. ground ruptures, cracks, and fissures
B. fires that broke out after the earthquake
C. a breakdown in the computerized warning system
D. a tsunami
Answer: B
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Rock that has formed from cooling magma or lava is
A. metamorphic rock. B. sedimentary rock. C. igneous rock.
Tuvalu and the Maldives are in the international spotlight because they ________
A) are the largest emissions producers in their respective areas B) have exceeded the emissions reductions set by the Kyoto Protocol C) are accepting climate change refugees from other nations D) opposed China's proposals for global carbon neutrality at the Copenhagen Conference in 2009 E) may be among the first nations to be completely flooded by rising sea levels
The red dots that coincide with volcanically active island chains shown on the map are called
A. island arcs. B. mid-ocean ridges. C. abyssal plains. D. hot spots.
Which of the following are indoor chemical hazards?
A) petroleum and pesticides B) radon and asbestos C) wastewater toxicants D) BPA and PCBs E) DDT and DDE