In secondary succession, the pioneer species are plants that are adapted to exploit disturbances rather than bare rock. They typically include plants such as grasses, birch trees, and fireweed. Organic matter from the pioneer species improves the soil so other trees and plants can move into the area.
Answer:
The process that is an important part of chemical weathering through oxidation is oxygen giving up electrons to other elements
The ions move from zones of high concentration to zones of lower concentration
