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ACT Science 3.1 Data Representation Passage 210 Views


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ACT Science: Data Representation Passage Drill 3, Problem 1. What correlation can be drawn between the carbon-14 content the year a patient was born and the carbon-14 content in that individual's eye proteins?

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00:03

Here’s your shmoop du jour, brought to you by carbon-14 dating.

00:07

The antidote to match.com.

00:24

What correlation can be drawn between the carbon-14 content the year a patient was born

00:28

and the carbon-14 content in that individual's eye proteins?

00:33

And here are the potential answers...

00:38

So we’re looking for a CORRELATION. Just another word for relationship.

00:42

But which figure do we use?

00:44

Well, figure 1 gives us the amount of carbon-14 the year a patient is born compared to

00:49

the amount of carbon-14 in that individual’s eye protein….exactly what we’re looking for.

00:55

So, to answer this question correctly, all we need to do is refer to figure 1.

01:00

Figure 1 shows that the amount of carbon-14 (14C) in an individual's eye is directly related

01:06

to the amount of 14C in the atmosphere at the time of that individual's birth.

01:15

Notice how the red line showing model output of 14C in the eye is almost exactly on top

01:20

of the grey line showing the 14C content in the atmosphere.

01:24

That means that both values are nearly identical.

01:27

Choice C just happens to use the exact words, “nearly identical”.

01:31

And that's our answer.

01:33

You can find love out there if you're carbon-14 dating enough.

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