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Social Studies, 26.06.2019 13:30 machucagm01

Acanvas mask has glass lenses to see through and attached tubing near the mouth area. what new technology during world war i led to the development of the piece of equipment shown here? a. the machine gun b. poison gas c. submarines d. nuclear weapons

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Acanvas mask has glass lenses to see through and attached tubing near the mouth area. what new techn...
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