EBK THE COSMIC PERSPECTIVE FUNDAMENTALS
EBK THE COSMIC PERSPECTIVE FUNDAMENTALS
3rd Edition
ISBN: 9780134899909
Author: Voit
Publisher: VST
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Chapter 6, Problem 11QQ

Choose the best answer to each of the following. Explain your reasoning.

About how often does a 1-Kilometer object strike Earth? (a) every year (b) every million years (c) every billlion years

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Radiocarbon dating is the most common and important absolute dating technique in archaeology. The method has proven invaluable for providing calendar dates for a range of different materials and many different time periods. Radiocarbon dating, however, is not without its limitations and uncertainties, so it is important for archaeologists to be aware of a range of issues when using the technique. For the second part of this assignment, please answer the questions below.  6. List two kinds of archaeological materials can be dated using the radiocarbon method and two that cannot be dated with radiocarbon.  7. In one or two sentences, explain why radiocarbon ages need to be calibrated into calendrical ages?  8. A radiocarbon date on wood charcoal was obtained from Layer N in the stratigraphic profile above. The date has a radiocarbon age of 5500 BP ± 50 yrs and it calibrates to 4450-4260 cal. BC. Burial W in Layer E was also dated and has a radiocarbon age of 5000 BP ± 30, which…
Problem 2. Planetary Body Composition:  Density (Links to an external site.) of the Earth  (Palen, et. al., 1st Edition,  Chapter 6, problem 70) Earth’s mean (Links to an external site.) radius is 6,378 km and its mass is 5.97 x 1024 kg. CALCULATE Earth’s average (Links to an external site.) density. SHOW YOUR WORK. DO NOT LOOK UP THIS VALUE! The average density of Earth’s crust is 2,600 kg/m3. What does this tell you about Earth’s interior?
Please help me answer part A and B
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