How can the age of a sample be determined from a graph of daughter and parent atoms versus time?
A) The y-intercept will show the amount of sample present in a certain mass.
B) The intersection of the daughter and parent atom lines will show the age.
C) The ratio of daughter to parent atoms will show the age.
D) The slope can be interpreted to find the age.
Answer: C
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B. 
C. 
D. 
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