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← ScienceWhich outcome limits reaction speed as temperature nears absolute zero?
A)Insufficient kinetic energy✓
B)Increased quantum tunneling
C)Endothermic reaction favored
D)Catalyst deactivation accelerates
💡 Explanation
Reactions slow because molecules possess minimal kinetic energy; therefore the activation energy barrier prevents reaction, so insufficient energy means lower rate, rather than processes like tunneling which become relevant at higher energies under those conditions.
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