Which factor can cause secondary succession? A) clear cutting B) glacial melting C) competition D) predation

The answer is A. Clear cutting

Secondary succession happens in areas that were disturbed. The disturbance can be by natural or man-made disturbances. But the condition usually needs to be harsh. Examples of natural disturbances would be storms or floods. Man-made disturbances can come int he form of forest fires or clear-cutting. A clear cut forest is a good example of a disturbed area where secondary succession can take place.