Answer:
C. Creep
Explanation:
Creep is one of the main classes of mass movement which is very slow and it's a continuous process that occurs for decades, though it is not physical but the effect it create can be seen.
4. presence of bacteria which is found in a specific area that cannot travel in the water to another land
It cause air pollution since there will be high carbon monoxide and dioxide content
Driving to work! Hope this helps
