Earth's interior is layered because
A) centrifugal force separated out the materials based on weight as Earth solidified.
B) materials became sorted based on electromagnetic fields as Earth solidified.
C) materials became sorted based on density as Earth solidified.
C
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Which of these belongs in the family of electromagnetic waves?
A. Light. B. X-rays. C. Radio waves. D. all of the above
If a car increases its velocity from zero to 60 km/h in 10 s, its acceleration is
A) 3 km/h ? s B) 6 km/h ? s C) 10 km/h ? s D) 60 km/h ? s E) 600 km/h ? s
In the Northern Hemisphere, winds associated with a high pressure system blow ________
A) clockwise and outward from the center B) counterclockwise and toward the center C) clockwise and toward the center D) counterclockwise and outward from the center
Lithification of sediments produces ________.
A. red clay B. rock C. turbidites D. coral E. mud flows