Basaltic volcanic eruptions tend to be
A) slow moving and highly viscous.
B) very fluid and highly viscous.
C) slow moving with a low viscosity.
D) very fluid and have a low viscosity.
Answer: D
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During its formation, Mars cooled quickly because it is a small planet
a. True b. False Indicate whether the statement is true or false
Based on the frequency with which we see comets from Earth, astronomers estimate the total number of comets in the solar system to be
A) 100 million. B) 1 billion. C) 10 billion. D) 100 billion. E) 1 trillion.
A mass of 40.0 grams is attached to a vertical spring with a spring constant k = 20.0 N/m and lowered slowly until the spring stops stretching. How much does the spring stretch?
A) 0.00200 m B) 0.0196 m C) 0.0816 m D) 0.800 m E) 0.200 m