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I really need this answer right away. Im taking an exam. How long has the polygraph machine been in use? A.Over 2000 years B. Over 1000 years C.Over 200 years D. Over 100 years
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25 votes
25 votes
I really need this answer right away. Im taking an exam.

How long has the polygraph machine been in use?
A.Over 2000 years
B. Over 1000 years
C.Over 200 years
D. Over 100 years

User Cooxkie
by
3.0k points

1 Answer

15 votes
15 votes

Answer: 100 years

Explanation:

User FaISalBLiNK
by
2.6k points
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