Geography

Geography, 19.07.2019 16:40, Jasten

Geologists estimate that the age of the earth is 4.54 billion years old, based on

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Biology, 15.07.2019 12:30, princessa15266

Scientists estimate earth's age to be 4.6 billion years. samarium has a half-life of approximately 106 billion years. from the present date, approximately how many more years must pass before a sample of samarium that was created at the beginning of earth's history contains 50 percent of the original parent material? 1 billion 10 billion 100 billion 1,000 billion

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Business, 19.07.2019 09:30, akemble8862

Geologists estimate that the age of the earth is 4.54 billion years old, based on

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Biology, 11.09.2019 03:30, mollykay2001p3qo0j

Which statement explains what geologists can learn from the graph? a. they can estimate that all the potassium will have decayed within 6.5 billion years.b. they can tell that 1/8 of the argon gas will be left after 3.9 billion years.c. they can determine that a rock is 1.3 billion years old if 1/2 of the potassium has decayed.d. they can see that potassium’s half-life varies from every 1.3 billion years to every 5.2 billion years.

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Business, 10.10.2019 18:30, colin774

Which statement explains what geologists can learn from the graph? they can estimate that all the potassium will have decayed within 6.5 billion years. they can tell that 1/8 of the argon gas will be left after 3.9 billion years. they can determine that a rock is 1.3 billion years old if 1/2 of the potassium has decayed. they can see that potassium’s half-life varies from every 1.3 billion years to every 5.2 billion years.

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