A ________ is a geographic low, which marks the location where oceanic lithosphere descends into the mantle
A) fold and thrust mountain
B) deep-ocean trench
C) seismic zone
D) mid-ocean rift
Answer: B
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Which of the following is NOT a challenge facing Caribbean tourism?
A) capital leakage where most the profits rarely remain in the local economy B) a trend of Americans to either opt for domestic beach resorts and/or more exotic locales such as Costa Rica or the Persian Gulf C) the vulnerability of the industry to external market forces (such as a 9/11 style attack or a global recession) that would lead to a dramatic drop in international arrivals D) geopolitical instability throughout the Caribbean Basin which has proven to be detriment to tourism E) a trend towards cruise ship visits which limits tourist interaction ? both cultural and economic ? with the local islanders
At one time the earth's atmosphere contained no free oxygen
Indicate whether the statement is true or false
Suburbanization has had a particularly negative effect on which of the following?
A) large corporations B) government C) housing values in the suburbs D) prime farmland E) all of the above
Soil structure is usually determined by clumps called ________
A) colloids B) peds C) loam D) solum E) catenas