I believe the answer is 100 feet
When a car pass a tunnel, the driver's vision become obstructed in a way that make it very difficult for us to measure the distance between their cars and the cars that come from the opposite direction, whbcih would increase the chance of collision from occurring.
The above scenario is an example of "operant conditioning".
Operant conditioning can be characterized as a type of learning in which practices are subject to, or controlled by its prizes and outcomes. The investigation of operant conditioning comprehends relations between a conduct and the result it offers.
Answer:
The UK has many overseas territories
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