Yes it is divded into 12 main cultures
Answer: Earthquake refers to the sudden shaking of the earth due to the release of energy by the seismic ways in the earth's interior. An earthquake of magnitude 2 is exactly ten times bigger, as well as about 31-33 times stronger than that of magnitude 1 .
Richter scale is used to measure magnitude of an earthquake, that means how much energy has been released due to the release of seismic waves.
No.
The speed of sound in water depends on the temperature and pressure. As you go deeper, the pressure increases and the speed of sound increases.
The tree largest religions in Western Europe are the Christianity, Islam, and Judaism.
Depending on the county in Western Europe, there are differences in the type of Christianity type practiced, with the Catholicism and Protestantism being the most dominant ones. The Islam is the second largest religion, relatively new in this part of the continent and also a relatively quick growing one. The Judaism is the third largest religion in this part of Europe, but it has much less followers than the top two. The atheism is worth mentioning, despite not being a religion but the opposite of it, as the non-religious population in Western Europe is actually the second largest one, in front of the Islam and Judaism.
The culture of this region has largely been shaped and set on the foundations of the Christianity, mostly the Catholicism, with later diverging fraction of it. The Church has played a big role in the societies, politics, economy of this region for almost two millenniums, so it is carved in the cultural aspects of the nations living there.
I think the phrase you are looking for is "natural resources" - these include fresh water, food and fertile soil on which crops can easily be planted.