The age of Moon rocks has been determined primarily by what method?
A) measurements of radioactive elements in the rocks
B) careful measurement of magnetic fields "frozen into" the lunar rocks
C) counting of the numbers of micrometeoroid craters on the rock surface
D) careful chemical analysis of the constituents

Question

Quizplus · Accepted Answer

The primary method for determining the age of Moon rocks involves measuring the decay of radioactive elements within the rocks. This technique, known as radiometric dating, allows scientists to estimate the time that has passed since the rock solidified from molten material.

The Age of Moon Rocks Has Been Determined Primarily by What