Geography, 14.02.2020 00:04 GILLIG6003
Use Figure 12-2 to determine the age of a rock sample that contains a parent isotope with a half-life of 100 million years and contains 1/32 of the parent isotope.
a) 200 million years old
b) 100 million years old
c) 500 million years old
d) 300 million years old
Answers: 2
Geography, 23.06.2019 03:30
The great scientist alfred wegener proposed that continents have moved, while other scientists such as t.c.chamberlin argued against wegener. wegener's ideas eventually won, and are now widely accepted, because: a) wegener's ideas were more beautiful, and so were favored by the intellectual elite.b) wegener's ideas did a better job of predicting the results of new observations and experiments.c) wegener's ideas appealed to dead white european males, whereas chamberlin's didn't.d) wegener's ideas appalled dead white european males, and we all know that in this politically correct era,dead white european males cannot get a fair shake.e) wegener won the nobel prize.
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Geography, 23.06.2019 05:30
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Geography, 24.06.2019 05:40
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Use Figure 12-2 to determine the age of a rock sample that contains a parent isotope with a half-lif...
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