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Chemical Reactions That Changed History

Across
Sarkett's 4th rule states that we should BE ______
Nitrates are necessary ______ in both food production and warfare
This allowed for the widespread use of chemical fertilizers, providing abundant food for many people
Fermentation allowed for the conversion of ________ into acids, alcohol, and gas, which made food last longer and more enjoyable
Down
Was important in human civilization as it provided a harder and more durable material than pure copper
The Maillard reaction adds complex flavor compounds to cooked food, making it more _______ to eat
The discovery of _______ allowed ancient societies to create a cleaning agent that dissolved both in water and greasy substances