Radioactive minerals found in sedimentary rocks are the outcome of the weathering of igneous rocks. Dating the sedimentary rock would only reveal the time in which the magma cooled to form the igneous rock, not the sedimentary.
Answer
Clarify how analyzed subject will be useful in your future.
<span>Johnson dubbed the domestic program the "Great Society" -- a sweeping set of New Dealish economic and welfare measures aimed at transforming the American way of life.</span>