Converting mined land to its future valuable use - not a process of burying wastes, smoothing out the landscape and applying a green mantle of relatively valueless vegetation.
<span />The main difference lies in the focus of the models. The stages of economic growth focuses on the development of one
country, while the core-periphery model focuses on many countries all
across the globe. Other difference is that Rostow is capitalist according who a country can finance their own development, while Wallerstein is Marxist<span><span>. According Wallerstein peripheral
countries will always be dependent on the core countries.</span>countries.</span><span>Another difference is that Rostow's model has five stages, while Wallerstein's has three tiers.</span>
<span>February 29 is a date that usually occurs every four years, and is called a leap day. This day is added to the calender in leap years as a measure, because the earth doesnt orbit around the sun in exactly 365 days (1 year). The gregorian calendar is a modification of the julian calender first used by the romans. </span>
The answers to your questions is 8. B 9.A 10. B
Answer:
Density is one of the most factors that play a key role in plate tectonic activities. Some of the ways in which density is important in the field of plate tectonics are as follows-
- The convergent plate boundaries are responsible for the creation of a subduction zone, where the high-density lithospheric plate subducts below the less dense one. It is because the heavier plate is comprised of heavy minerals thereby forming heavier rocks as a result of which its density increases. Due to these differences in density, there occurs a subduction zone.
- The divergent plate boundary forms where two plates move away from one another. This type of plate motion is responsible for the eruption of magma on the seafloor. As the plates diverge, the lithosphere becomes eventually thin, and with more progressive spreading, the magma comes out to the seafloor. This is because the hot magma is less dense, and forms convection cells as they rise upward. This is how the density helps in the upwelling of magma at the mid-oceanic ridge in a divergent plate boundary.
- When there collide two plates of equal densities, then it gives rise to the formation of huge mountains, because neither of them is heavy to get sink. So it uplifts the crust, forming a sandwich-type pattern.
