Oligopoly is a state of limited competition, in which a market is shared with a small number of producers or sellers. The most clear example of this is the second option.
In the smarphone business, the operating system market is dominated by IOS and Android and it's almost impossible for a new software provider to enter the marker and be successful at it.
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C , I think , Hope this helps
Answer: Event Recording
Explanation:Event recording can be defined as a process by which an observer documents the number of times a behavior occurs. A tally/document is used by the observer using event recording for recording each time a student/individual involved in a target behavior. It should also be noted that the duration in which the behavior is being observed is recorded by the observer .
The black stallion because they are the one the action is being performed by