The Q₁₀ Describes the Temperature Sensitivity of a Reaction or a Process

The Q₁₀ describes the temperature sensitivity of a reaction or a process and is calculated by

A) dividing the rate of a reaction or process at a certain temperature by the rate of that reaction at a temperature 10°C lower.
B) dividing the rate of a reaction or process at a certain temperature by the rate of that reaction at a temperature 10°C higher.
C) determining the basal temperature of an endotherm.
D) determining the upper temperature limit for survival of an organism.
E) None of the above