A sample of carbon dioxide occupies 22.4 L at STP. Which of the following statements apply to the sample?
A) The sample contains 6.02 x 10^23 atoms.
B) The sample contains 6.02 x 10^23 atoms of oxygen.
C) The sample contains 6.02 x 10^23 molecules.
D) None of the above is correct.
C
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The average total fertility rate needed to maintain a population at its current level is
A. 1.5 B. 2.0 C. 2.1 D. 3.2
As created after World War I, Yugoslavia was dominated by
A. Croatia B. Serbia C. Bosnia D. Slovenia
Why do mountain ranges pose a problem for a generalized climate classification system?
What is the primary goal of a paleoclimatologist?
A) to reconstruct past climates B) to prove that climate change caused the dinosaur mass extinction C) to study the impacts of volcanic eruptions on climate D) to find explanations for current global climate change