A particular reaction involves only one reactant, which decomposes into products. This reactant is also a strong absorber of yellow light, which allows a scientist to use a spectrometer to measure the reactant concentration as a function of time. The scientist then plots the natural logarithm of the reactant concentration as a function of time, and notices that the plot is linear. What is the order of the kinetics of this reaction?
FIRST (ACCEPT: ONE)