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Carbon-14 cannot be used to date biological artifacts of organisms that did not get their carbon dioxide from the air.
This rules out carbon dating for most aquatic organisms, because they often obtain at least some of their carbon from dissolved carbonate rock.
Preview Questions State: NY Grade: 8th - 10th Ancient Life Games (ID: 19) Importance of the fossil record and how the past relates to discoveries in the future.
Preview Questions State: NY Grade: 8th - 10th Correlation Of Rock Layers Games (ID: 25) Factors in fossil formation, correlation of rock layers by index fossils and volcanic ash.
This technique is not restricted to bones; it can also be used on cloth, wood and plant fibers.
Carbon-14 dating has been used successfully on the Dead Sea Scrolls, Minoan ruins and tombs of the pharaohs among other things. The half-life of carbon-14 is approximately 5,730 years. dinosaurs the evolution alleges lived millions of years ago.
Information about one of the rock layers will appear – drag the hammer and drop it onto the layer you think is being described. This layer formed on top of earlier rocks after they were tilted and eroded away.