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​Historically, Magnesium Ribbon Was Burned to Produce a White, Powdery

Question 19

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​Historically, magnesium ribbon was burned to produce a white, powdery film of magnesium oxide to coat the surface of a tool.This technique was used to:


A) ​determine if there was blood on the tool.
B) ​prepare highlights of details for photography.
C) ​determine whether steel, wood, or iron was transferred during use of the tool.
D) ​prepare a report regarding the weather conditions to which the tool was exposed.

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