You are an archaeologist who has just found an ancient fire ring containing charcoal fragments. you send these fragments to the lab for carbon-14 analysis. the report you receive from the lab states that these fragments have 25% of the amount of carbon-14 compared to modern wood. using 5730 years as the half-life of carbon-14, you conclude that these charcoal fragments are about years old. can you explain how you get an answer of 11460? you!
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Biology, 22.06.2019 03:40
Organisms that successfully adapt will leave to grownone of the above
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Biology, 22.06.2019 07:00
According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?
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Biology, 22.06.2019 10:30
Which of the following is a true statement? question 8 options: populations can't evolve, only individual organisms. individuals have adaptations that can change over time. individuals have traits that may or may not make them successful at reproduction. individuals evolve to have adaptations.
Answers: 1
You are an archaeologist who has just found an ancient fire ring containing charcoal fragments. you...
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