The measurement of radioactive parent atoms and stable decay products (daughter atoms) in a rock allow for which of the following to be determined:
a. The amount of time that has elapsed since the rock cooled from a magma
b. The amount of time that has elapsed since the rock formed from the compaction of sediment
c. The amount of time that has elapsed since the radioactive isotopes were synthesized in a supernova.
d. The amount of time that has elapsed since the stable daughter isotopes were synthesized in a supernova.
a. The amount of time that has elapsed since the rock cooled from a magma
You might also like to view...
What are the three social science principles of sustainability?
A. win-win solutions, a responsibility to future generations, and equality B. full-cost pricing, subsidies, and win-win solutions C. environmentalism, a responsibility to future generations, and subsidies D. win-win solutions, full-cost pricing, and environmentalism E. full-cost pricing, win-win solutions, and a responsibility to future generations
Which of the following minerals contain single chains of silicon-oxygen tetrahedra in their structure?
a) amphiboles b) feldspars c) olivines d) pyroxenes e) micas (biotite, muscovite, etc.)
What do the simplest vertebrates lack?
A) Jaws B) Notochord C) Central nervous system D) None of these choices
The abundance of cloudy days in January on the East Coast, particularly the Northeast can be explained by
A. dew point temperatures much greater than air temperature. B. dew point temperatures not being far below air temperature. C. dew point temperatures being much below air temperature. D. dew point temperatures equaling relative humidity values.