Something that can not be undone. Like baking bread..cant be undone.
The correct answer is: [B]:
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" N₂ (g) + 3 H₂ (g) → 2 NH₃ <span>(g) " .
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Note of interest:
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This particular reaction is known as the "</span>Haber process" .
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<span>Photosynthesis Is a Reaction To Make Food</span>
Explanation:
A..........is the correct answer
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