Gurmeet singh Asked a Question
December 13, 2020 10:55 ampts 30 pts
28. A sedimentary rock included fossils of twoo species that are known to have lived between 480-430 and 450-250 million years ago. What Acould be the age of the rock? A. 445 million years B. 480 million years C. 250 million years D. 410 million years (DU-2015)
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  • Gurmeet singh
    but sir why we are not choosing as oldest fossil as best indicator of age of rock. means why interval, if we have more older data i.e. 480 Byrs
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    Sajan sarthak
    because both the fossil are present in the stata and we take the common age....480 we don't take because that is the range of Fossil not the rock... we are considering both Fossil ...
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  • Rahul kumar thankyou
    Answer (a) 445 million years If the sedimentary rocks contain two fossils of different age range then that sedimentary rocks must had formed when both the fossils survived. By l...
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  • Sajan sarthak thankyou
    445 million year of rock
    • cropped597199992385799730.jpg
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