What is the main difference between primary and secondary succession? A. The climax of primary succession is pine forest.
B. Primary succession begins with bare rock.
C. Secondary succession begins with mosses and lichens.
D. Secondary succession includes frequent fires.

Determine the rate law, including the values of the orders and rate law constant, for the following reaction using the experimental data provided. a + b yields products trial [a] [b] rate 1 0.30 m 0.25 m 1.2 × 10-2 m/min 2 0.30 m 0.50 m 4.8 × 10-2 m/min 3 0.60 m 0.50 m 9.6 × 10-2 m/min