Cobalt-60 is a radioactive isotope sometimes used in the treatment of cancer. Which of the following statements is true about an atom of cobalt-60?
A) It contains 60 neutrons.
B) It contains 60 protons.
C) It contains 33 neutrons.
D) It contains 33 protons.
C
Environmental & Atmospheric Sciences
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The general term used to describes subducted oceanic crusts that incorporates seawater and sediments is
A) sial. B) sima. C) batholiths. D) melt.
Environmental & Atmospheric Sciences
Where is the Rust Belt located, and why has manufacturing in this part of North America declined so dramatically in the postindustrial era in recent decades?
What will be an ideal response?
Environmental & Atmospheric Sciences
If the Kemper coal plant is finished, mining of which of the following will increase in the region?
What will be an ideal response?
Environmental & Atmospheric Sciences
Which of the following areas has the lowest total fertility rate (TFR)?
Environmental & Atmospheric Sciences