Computers and Technology

Computers and Technology, 14.07.2019 10:30, Jcmandique3444

Which of the following statements is true? a: carbon-14 can only be used to date rocks. b: oxygen speeds the decay of dead organisms. c: in turbite beds, the bottom layer is older than the top layer. d: epeirogenic changes deform the crust.

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Chemistry, 27.06.2019 07:00, jbearallen9557

Carbon-14 if often used for radioactive dating, but it has its limitations. uranium-238 or lead-206 are most often used to date rocks. why would u-238 or pb-206 be more useful than c-14 when dating rocks? a) rocks do not contain any carbon for dating purposes. b) carbon-14's half-life is much too long to use for dating rocks. c) the half life of carbon-14 is about 5700 years and is too short date rocks. d) carbon-14 is only found in living things; it can only be used to date remains.

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Biology, 05.07.2019 04:30, Jaedenaleinson

Which statement explains why carbon-14 dating cannot be used to date ancient rocks? carbon-14 decays at a varying rate. carbon-14 decays relatively quickly. carbon-14 can be used only to date the remains of organisms. carbon-14 has a half-life that is much longer than potassium.

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Physics, 03.10.2019 07:30, kandigirl9990

carbon-14 if often used for radioactive dating, but it has its limitations. uranium-238 or lead-206 are most often used to date rocks. why would u-238 or pb-206 be more useful than c-14 when dating rocks? a) rocks do not contain any carbon for dating purposes. b) carbon-14's half-life is much too long to use for dating rocks. c) the half life of carbon-14 is about 5700 years and is too short date rocks. d) carbon-14 is only found in living things; it can only be used to date remains.

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