Carbon-12 (C12), carbon-13 (C13), and carbon-14 (C14) are all ____________________ of the
____________________ carbon. Fill in the blank(s) with the appropriate word(s).
isotopes, element
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If an atom has 104 electrons, 157 neutrons, and 104 protons, what is its approximate atomic mass?
A. The approximate atomic mass is 157. B. The approximate atomic mass is 261. C. The approximate atomic mass is 365. D. The approximate atomic mass is cannot be determined with the information given.
What should have warned the people of coastal Venezuela that they were in a hazardous zone?
A) The cities were built upon alluvial fans. B) The houses had been built on debris flow deposits. C) The areas above the city had steep unstable slopes. D) All of these are correct.
What has been a consequence of the "Arab Fall"?
a. increased peace among countries b. increased peace within countries c. increased authoritarianism and civil wars d. reduction in high temperatures and aridity e. greater international cooperation
The principle of superposition states that within a sequence of undisturbed sedimentary rocks, the layers get younger going from bottom to top.
Answer the following statement true (T) or false (F)