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Which risk increases when rapidly varying temperature accelerates the decomposition of ammonium nitrate fertilizer?

A)Uncontrolled exothermic chain reaction occurs
B)Decreased nitrogen fixation within the soil
C)Elevated soil pH reduces crop viability
D)Formation of inert phosphate mineral complexes

💡 Explanation

An uncontrolled exothermic chain reaction occurs at elevated temperatures due to reaction kinetics. The Arrhenius equation shows that the rate constant increases exponentially when temperature increases because it lowers the activation energy, therefore thermal runaway occurs, rather than only nitrogen fixation changes.

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