Possibly a loose pile of rocks? As it travels down a steep hill.
<u>Answer:</u>
<em>Group is the collection of multiple people. So, there must be more than two people to form a group.</em>
<u>Explanation:</u>
<em>The most important feature to form a group is to have the common point of interest and goal among the members. </em> This makes the involvement of group members in right way building a good relation among them.
It is important to have the healthy interaction among the group members to meet the ultimate goal of the group. <em>Also the interdependency among the members is essential.</em>
