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From Hardtack to MREs: History of Field Rations
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What chemical reaction powers the Flameless Ration Heater (FRH) found in modern US military MREs?
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50-50
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A
An acid-base reaction of vinegar and baking soda
B
An exothermic reaction of magnesium, iron, and water
C
A hydration reaction of quicklime (calcium oxide) and water
D
A combustion reaction of trioxymethane fuel gel
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