According to paragraph 2, which of the following is a criticism of Clements' view of succession? A. The principles of succession are more lawlike than Clements thought they are. B. More evidence is needed to establish Clements' predictions about succession. C. The details of succession are affected by random processes. D. Many of the factors that determine which plants will grow in an environment, such as the nature of the soil and the exposure to sun, do not change at all.