What is the main volcanic hazard at site 1?
A. small pyroclastic flow
B. large, less frequent mudflows
C. lava flows
D. landslides from steep mountain fronts
Answer: B
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Which of the following are hydrogenous sediments?
A) quartz sand B) phosphorite deposits C) siliceous oozes D) tektite spheres
Instructions: Choose one answer from each pair of selections. The Pacific high drifts northward during the summer. Sinking air on its eastern side produces a strong upper level subsidence inversion, which tends to keep summer weather along the California coast relatively DRY | WET
Chemicals or forms of radiation that cause or increase the frequency of DNA mutations are called ____.
A. mutagens B. teratogens C. kerogens D. carcinogens E. neurogens
?Revenues from ecotourism generate more than $1 million per minute in tourist expenditures worldwide.
Answer the following statement true (T) or false (F)