Several of the moons of Saturn, Uranus and Neptune display evidence of volcanic activity. What is the most common type of volcano on these moons?
A) basalt shield volcanos
B) ice volcanos
C) pyroclastic eruptions of rhyolitic silicate material
D) sulfur volcanos
B
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Human carrying capacity made its initial increase in Europe during the Mesolithic time period because of ________.
A. decreased population due to disease B. more gathering of wild fruits and berries C. more emphasis upon food cultivation D. increased hunting of wild animals
Since levees can protect many areas during floods, why are they controversial? What will be an ideal response?
Compared to forests that are managed using sustainable forest management, commercial forests managed for maximum sustainable yield of commercially valuable species will
A) support more biological diversity. B) be more resistant to pests. C) produce a greater variety of wood. D) have greater erosion problems.
Which of the following locations displays a triple junction that resulted from a rising mantle plume?
A) Eastern Africa/Arabian Peninsula B) East Pacific Rise C) Japan/East Asia D) Mid-Atlantic Ridge