The only answer related to the subject is "the results of their experiments".
After Scientific revolution scientists came up with theoretical conceptions and tried to prove them with experiments. There had to be both theoretical explanation and emirical proof. Before they were much more liberal when it comes to coming up with "scientific theorems", which explained results of their experiments.
They need a goal, something that keeps them going.
Civil-Political, Socio-economic, Collective Developmental
Answer:
"Urban area" can refer to towns, cities, and suburbs. An urban area includes the city itself, as well as the surrounding areas. Rural areas are the opposite of urban areas. Rural areas, often called "the country," have low population density and large amounts of undeveloped land.
Explanation: