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Who postulated the exchange of evidence principle?

a. Gross b. Bernoulli c. Osborn d. Locard e. Galton

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The answer is D hope this helps!
User Melique
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Answer: locard

Step-by-step explanation:

Dr. Edmond Locard formulated the theory which states, “Every contact leaves a trace”. This became known as Locard's exchange principle.

User Thomas Davis
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