Which of these is in example of an environment changing slowly

Considering the answers; A. Forest succession. B. Volcanic Eruption C. Hurricane. D, Flooding;

The correct answer for the question is Forest Succession. Forests succession involves change in the species structure of forest over time and one community of plant species replaces another. Succession is a series of progressive changes in the composition of an ecological community over time. Therefore; forest succession may cause the environment to change slowly.

Missing question:

A. Forest succession

B. Volcanic Eruption

C. Hurricane

D. Flooding.

Answer is A. Forest succession.

Forest succession is the process of change in the species structure of forest over time and one community of plant species replaces another. For example after mass deforestation (cutting down trees, wildfire) decades are needed. Small trees grow among the first plants.