4. presence of bacteria which is found in a specific area that cannot travel in the water to another land
A cultural region groups people together according to their traditions.
Explanation:
Cultural region is a word that is used in geography and anthropology. It deals with group of people as well as their territory where they live. Different boundaries are found based according to their particular traditions.
People of different culture stay in a particular region. A cultural region can be explained by common language, a region can be economic or political region. Behavior , art and craft as well as beliefs are the features of a cultural place.
Volcanism describes these processes.
