Advanced Placement (AP), 28.01.2021 22:50 jbryant071405
A rock sample contains 7.5 g of Californium-249 and 52.5 g of the daughter isotope. If the half life of Californium-249 is 360 days, how old is the rock?
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True or false. in studies examining gender differences and juvenile crime, recent research has shown that the gender gap for drug and violent offenses is getting smaller.
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During adolescence, most people develop a greater sense of independence a. true b. false
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The color contrast between the open ocean and the lagoon between the spit and the mainland. the greater concentration of suspended sediments in the lagoon gives the waters a more turbid appearance. the source of sediment in the lagoon is (are) [(rivers and streams from the mainland) (wind-borne sediment from the spit) (ocean waves washing over the spit) (all of these contribute)].
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Which organisims can cause diseases a. micro organisims b. multicellular organisnims c. both d. neither
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A rock sample contains 7.5 g of Californium-249 and 52.5 g of the daughter isotope. If the half life...
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