The Andes mountain chain was created as a result of plate tectonics. An ocean plate (the Nazca plate) collided with a continental plate (the South American Plate), and the Andes were the result
Which type of boundary is associated with this mountain building event, and what took place in order for the mountains to form? (Theory of Plate Tectonics).
What will be an ideal response?
Answer: This mountain building event is associated with a convergent boundary. In order for the mountains to form, the oceanic plate, being the lighter of the two, was subducted beneath the continental plate, which pushed rock material upwards, creating the Andes Mountains. This, of course, took place over millions of years.
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Net energy yields are important in evaluating energy resources. What other factors that should be considered in determining how much useful energy a resource actually provides?
What will be an ideal response?
What texture is displayed by the igneous rock in this photograph?
A) Vesicles
B) Breccia
C) Porphyritic
D) Glassy
E) None of these are correct.
The World Trade Organization was created in:
A) 1990. B) 1995. C) 1996. D) 1998. E) 1999.
The western portions of subtropical highs and gyres tend to be much stronger than eastern portions. This phenomenon is known as ________
A) upwelling B) downwelling C) western intensification D) latent heating E) cold current generation