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Biology 7 Online
OpenStudy (anonymous):

Earth Science help PLEASE! Need help filling out a table. Study Data Table 1 below. It contains information about the parent-daughter ratios of the isotope uranium-235 (U-235) for several of the rock layers in the block diagram. ROCK LAYER %of U-235 ABSOLUTE AGE PERIOD g 94 ? ? f 90 ? ? d 65 ? ? b 60 ? ?

OpenStudy (anonymous):

Rock layers

OpenStudy (anonymous):

OpenStudy (anonymous):

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