What is the likely cause of the 98° tilt of Uranus's axis?
A) a collision with a large body early in the solar system's evolution
B) distorted magnetic poles due to its large molten iron core
C) fluid wave dynamics due to its large molten core
D) Neptune's effect on Uranus' gravitational field
A
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Magma viscosity is NOT controlled by the following factor:
a) Silica content b) Temperature c) Volatile (gas) content d) Texture e) All of the above factors control magma viscosity
A vesicular felsic rock is called a:
a. pumice. b. scoria. c. obsidian. d. tuff. e. volcanic breccia
Methods to contain and clean up an oil spill ____
A) ?are most efficient if begun within 24 hours of the disaster B) ?cost less today than they did 20 years ago C) ?sometimes cause more damage than the oil itself D) ?are best when the oil is dispersed by chemicals sprayed on the ocean surface
Deeply buried rock that is hot and under pressure can deform like taffy or putty.
Answer the following statement true (T) or false (F)