The theory that Mercury shrank slightly when it was young has been proposed to explain
a. extended lava plains.
b. large craters.
c. magnetic field.
d. lobate scarps.
e. regolith.
D
Physics & Space Science
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A) Gamma ray B) X-ray C) Ultraviolet D) Visible E) Infrared
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The upper limit to the mass of a white dwarf is 1.4 solar masses
Indicate whether the statement is true or false
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