Earth is composed of four main layers, starting with an inner core at the planet's center, enveloped by the outer core, mantle, and crust. The inner core is a solid sphere made of iron and nickel metals about 759 miles (1,221 kilometers) in radius.
source: nasa
Answer:
B) an earthquake
Explanation:
An earthquake is one of the most dramatic triggers of sudden mass movements.
From the choices given, an earthquake is the most correct solution.
Answer:
Northern European economies are highly industrialized.
Explanation:
Northern Europe is comprised as a region of five countries, Finland, Norway, Sweden, Denmark, and Iceland. All of these countries, until the mid 20th century were relatively poor in not developed, but this drastically changed since then. All of these five countries had excellent policies when it came to the development of their societies in every possible aspect.
mic Despite not being countries that are blessed with good climate, soil, highly valuable natural resources, these countries managed to beat the odds and very quickly became among the most developed countries in the world. The economies nowadays are highly industrialized, but it is generally industries from the tertiary economic sector and more and more prevalent toward the quaternary economic sector. The population has a high standard of living, excellent healthcare, excellent education, it has among the highest life expectancies, and even the prisons and the programs in them are the best and most efficient in the world.
