How do scientists estimate the age of the Solar System?
A) They measure the ratios of radioactive elements in rocks.
B) They count the number of craters on the Moon and Mercury.
C) They measure the heat content of the planets.
D) They compare the weathering of rocks on Earth with lunar rocks.
E) None of these choices are correct.
Correct Answer:
Verified
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Q27: Exoplanets are
A) another name for dwarf planets.
B)
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A) the use of
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