One of the two main differences between the governmental structure of the Songhai kingdom and the governmental structures of Ghana and Mali is that Songhai was divided into five provinces, while Ghana and Mali had strong central governments. Another difference is that Ghana and Mali's governments were based mostly on religious ideals, while Songhai was not.
Answer:
6 continentes (modelo geológico): guarda una relación aproximada con las placas tectónicas continentales, por lo que Europa y Asia forman un solo continente denominado Eurasia y en cambio América está dividida en dos continentes (América del Norte y América del Sur).
Explanation:
The disc which contains spiral arms of the galaxy part would be used to study the birth starts in a spiral galaxy
Explanation:
- A galaxy has four parts and they are bulge, disc, spiral arms and halo
- Bulge primarily contains old stars, gas and dust.
- The disc contains the spiral arms also, it is the flattened portion of the spiral arms where we could find most of the young stars, gas and dust. Some old stars are also found in this region
- Spiral arms are only found in spiral galaxies. It is the curved extension begins from the bulge. Here, also you could find young stars, dust and gas.
- Halo is the part where we could find clusters or individual old starts and also the dark matter. The dark matter we can't see but can estimate the gravitational force.
Answer:
Many of the rocks in Yosemite are granitic
687 days and Revolution Rotation. The moon and Earth both revolve and rotate on their way around in our solar system, but what is the difference between the two movements? Rotation is when a planet or moon turns all the way around or spins on its axis one time.