How do the radiogenic ages of the samples brought back by Apollo 11 and 12 compare to the “typical” ages of rocks from the Earth?


How do the radiogenic ages of the samples brought back by Apollo 11 and 12 compare to the “typical” ages of rocks from the Earth?

There is no way to compare the ages

They are much older

They are much younger

They are about the same age

The radiogenic age of Apollo 11 basalt is about ____ Byrs, while the radiogenic age of Apollo 12 basalt is about ____ Byrs.

3.6 … 0.8

3.6 … 3.2

0.8 … 3.6

3.2 … 3.6

0.8 … 0.8

The mare surfaces at the Apollo 11 landing site were much darker than the mare surfaces at the Apollo 12 landing site. This was due to differences in the amount of ___ in the basalt samples.

Iron (Fe)

Titanium (Ti)

Water (H2O)

Silicon (Si)

The post How do the radiogenic ages of the samples brought back by Apollo 11 and 12 compare to the “typical” ages of rocks from the Earth? appeared first on essaywheel.

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