5. A collector of rare items is negotiating with a museum. He
wants to sell a stake he claims to be one that was made to
kill Dracula in the 1400s. A stake size would have started
with around 2 g of carbon-14, and the museum tests show it
now contains around 1g.
a. How many half-lives have passed since the stake was
carved?
b. How long has passed since the stake was carved?
c. Is the stake what the salesman claim?
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of dinosaurs?
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Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.
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5. A collector of rare items is negotiating with a museum. He
wants to sell a stake he claims to be...
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