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lorenaandreahjimenez
lorenaandreahjimenez
03.02.2021 • 
Advanced Placement (AP)

Questions 1 Using the information, complete Table 5.2.
2 Generate a line graph with an appropriate scale showing the relationship.between years
from present' and 'percentage of original 14C remaining”. Make sure to place your data on the
appropriate axes.
3 As a coral scientist, you have recently been sent a core sample from the Great Barrier Reef in
Australia. Comparing the oldest portion of the coral sample with the newest, you discover that
the oldest pieces of coral contain only 60% of the 14C contained in the modern sample. Using that
information, estimate how old this portion of the reef is and discuss your reasoning.

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