The theory of seafloor spreading is supported by
A) geological, biological, and climatological data.
B) paleomagnetic analysis of the ocean's floor.
C) the change in Earth's polarity.
D) none of these
Answer: B
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Two resistors in series equal 9.0 ohms total; but the same two resistors in parallel are equivalent to 2.0 ohms. What are the resistor values?
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The planet whose axis of rotation lies almost in its orbital plane is
a. Neptune. b. Uranus. c. Saturn. d. Jupiter.
What would happen to Earth's temperature if you painted the entire surface of the Earth black?
A) Its average temperature would go up. B) Its average temperature would go down. C) Its temperature would not change.
A solid sphere, a solid cylinder, a spherical shell, and a hoop all have the same mass and radius. Each are rolling on a horizontal surface with the same center of mass speed, and then they roll up identical inclines. Which one goes the greatest distance up its incline?
a. the hoop b. the solid sphere c. the spherical shell d. the cylinder e. They all go the same distance up their inclines.