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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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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 Jayesh Patel
by
3.1k points

1 Answer

1 vote

Answer: 100 years

Explanation:

User Vince Lowe
by
3.2k points
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