Which of the numbered features is a pyroclastic flow?
A. 1
B. 2
C. 3
D. 4
E. 5
Answer: D
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Select the proper description of the silicon-oxygen tetrahedron.
A pyramidal shape with four triangular faces, an oxygen ion at each vertex, and a silicon ion at the center of the pyramid A pyramidal shape with four triangular faces, a silicon ion at each vertex, and an oxygen ion at the center of the pyramid A pyramidal shape with three triangular faces, an oxygen ion at each vertex, and a silicon ion at the center of the pyramid A pyramidal shape with four triangular faces, an oxygen ion at three vertices and one oxygen ion in the center, and a silicon ion at the remaining vertex A pyramidal shape with three triangular faces, a silicon ion at each vertex, and an oxygen ion at the center of the pyramid
The permanent removal of water from its source is known as consumptive use
Indicate whether the statement is true or false
Salt-crystal growth (salt weathering) is an example of ________ weathering processes
A) only chemical B) only biological C) only physical D) both biological and physical E) both biological and chemical
The amount of solar radiation an area receives is dependent on the angle of the energy and whether it is filtered through
the atmosphere. a. True b. False