Physics, 09.11.2020 19:20 alyssabailey7545
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3 Radiocarbon dating is a technique used by scientists to learn the ages of biological specimens like wooden archaeological artifacts and ancient human remains
Carbon-14 Half-Life
120
100
60
Amount of Carbon-14 Remaining (2)
20
0
5000
1000
20000
25000
30000
15000
Time In Years
If a fossilized bone is found with 1/8 ratio of carbon 14 to carbon 12, what is the approximate age of the bones?
A5.700 years
B11,400 years
C17,100 years
D 22,800 years
Answers: 3
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In guinea pigs, assume black coat is completely dominant over white. to determine whether an unknown black guinea pig is pure or hybrid black, it should be crossed with bb, bb, bb
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Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(mโ
k), and the styrofoam has k= 0.010 w/(mโ
k). the interior surface temperature is 19.0 โc , and the exterior surface temperature is -15.0 โc . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2
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What is the single most important equation in all of physics?
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Physics, 22.06.2019 17:20
Properties seen when one one substance changes to another are known as properties
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3 Radiocarbon dating is a technique used by scientists to learn the ages of biological speci...
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