Ocean trenches ____
A) have submerged erosional features
B) are arc-shaped depressions in the oceanic crust that occur at subduction zones
C) consist of glacial troughs dating back to the Ice Age
D) are erosional canyons cut by turbidity currents
B
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What conditions are favorable for evaporite formation?
a. high heat, moist environment b. low temperatures, low evaporation c. low temperature, low pressure d. high temperatures, high evaporation e. low temperature, moist atmosphere
A system that regulates itself depends on
A) negative feedback. B) positive feedback. C) feedback filtered by related variables. D) inputs from surrounding systems only.
The Deutschemark is the currency of the European Monetary Union
Indicate whether the statement is true or false
The improvements brought on by containerization include all of the following EXCEPT
A) newly designed cellular vessels have much faster turnaround time in port. B) interface between water and land transportation has expanded. C) the economy and scale of rail transportation has been enhance by new container trains. D) logistics of ocean-going freight has greatly improved. E) container security has been greatly enhanced.