Biology, 28.10.2020 22:40 hdjsjfjruejchhehd
You are given a bone sample and, when you measure the amount of carbon and nitrogen in the sample you find that the sample contains 625 mg of C-14 (parent atom) and 1875 mg of N-14 (daughter atom). If Carbon-14 has a half-life of 5730 years, how old is the sample? “ Physical geology “
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What initially causes a nerve impulse? release of enzymes out of the neuron movement of chemicals into the dendrites of the neuron pathogens attacking the dendrites of the neuron red blood cells bathing the neuron
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20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.
Answers: 1
You are given a bone sample and, when you measure the amount of carbon and nitrogen in the sample yo...
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