Hello I have a quiz and the time is unlimited. This sentence appeared to me.
The timer can only start after the setup process is finished.
What does this timer mean? Why does that time appear unlimited, please explain

Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species