Only eight elements make up the vast majority of rock-forming minerals. Which of the following elements is not one of the eight?
A) Oxygen
B) Hydrogen
C) Iron
D) Potassium
Answer: B
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Is the rate of Earth's rotation increasing or decreasing?
A. It is increasing. B. It is remaining relatively steady. C. It is decreasing. D. It is increasing and decreasing in cyclic fashion.
Many flash floods, including those that occurred over parts of New England and the mid-Atlantic states during June 2006 and in Colorado's Big Thompson Canyon in July 1976, are the result of thunderstorms that ____
A) contain no lightning B) form in a dry air mass C) move slowly D) have weak or non-existent downdrafts
What Asian country established "special economic zones" (SEZs) to produce goods for world markets?
A) Taiwan B) South Korea C) Japan D) Thailand E) China
Which of the following objects is best at absorption of incoming light and the emission of heat?
A. A B. B C. C D. D