In the ocean, it is colder in the deeper parts and warmer in the shallow parts.
Both of them are the most important cities in their countries. They are capitals and cultural, demographic and industrial centres.
Answer:
The roads present between these villages.
Explanation:
The place which is present between these four villages is the place where roads can be constructed with available money so this place is the best location for the construction of road that connect all four villages to each other. Only those roads are constructed which is located between two villages with the available money because the money is not well enough for the construction of very big roads.
