What is the difference between carbon dating and radioactive dating of fossils? What type of material has to be present in a rock to use radioactive dating? What type of material has to be present in a rock to use carbon dating? Explain.

Explanation:

Using relative and radiometric dating methods, geologists are able to answer ... By comparing fossils of different primate species, scientists can examine how ... Second, it is possible to determine the numerical age for fossils or earth materials. ... If both the blue and orange ammonites are found together,

b) the planets year length would be longer

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this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.