Eruptions of shield volcanoes fed by mafic magma tend ________.
A. not to be explosive or particularly dangerous
B. to cover the surrounding landscape in ash
C. to be violent and potentially dangerous events
D. to be explosive but short-lived
E. to result in the expulsion of vast amounts of tephra
Answer: A
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What is NOT true about fluvial erosion in the desert?
A. It typically occurs with intense thunderstorms. B. Impermeable surfaces mean rapid runoff. C. Runoff performs mechanical weathering. D. Flash floods can move materials rapidly. E. The gentlest slopes erode the most sediment.
We feel uncomfortably warm on a muggy day because water molecules are
A. evaporating from our moist bodies. B. preventing the evaporation from our moist bodies. C. condensing on our bodies.
In 1895 most of South America was semiperiphery
Indicate whether this statement is true or false.
Use of a natural resource based on sustainable yields is most applicable to the idea of ____.
A. nonrenewable resources B. renewable resources C. shared resources D. amenable resources E. recycling