A beach forms when waves deposit sand and gravel along the shoreline. and pebbles. Over time they are worn smooth from being rolled around by waves. The rocks usually reflect the local geology.
ADP
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Answer:
Likewise, scientists use radiometric dating to determine the ages of moon rocks, obtained by astronauts. Taken together, these methods give results that suggest an age for our Earth, meteorites, the moon – and by inference our entire solar system – of 4.5 to 4.6 billion years old.
Answer:
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