The fact that the Mayans were building great buildings in their period of existence, is a proof that they had a very big political power in the region, and not just political, but also military, economic, cultural power.
Only civilizations that are strong, well organized, and political powerhouses, have been able to build such big structures, because they had the conditions and time for it. For building such big structures, lot of wealth is needed, also lot of workers, and great engineers. The Mayans had it all. They had great engineers, the labor force was provided in general by the slaves, or by the the tribes that they were ruling over, and from all the tributes paid to them by the people they ruled over, they had surplus of wealth, which meant that they can perform such activities without damaging the empire.
At EVERY point on Earth . . . North of the equator, South of the equator, at the poles, or exactly ON the equator . . . the lengths of days and nights change with the seasons. (probably supposed to be <em>choice-3</em>)
With demand of technology the space exploration advancement is also increasing.
Explanation:
Due to the advancement of technology the demand for the space industry is also increasing. As new technologies have arrived we can go into the galaxies so that we can explore the territories which have not been discovered. Also we come across new phenomena.
As huge investment is done in various government space programme we are now able to achieve our dreams that we we once used to watch in television.
The data that are received are used in various research and development purpose and also helps in predicting when will craft re-enter orbit. Vast data are necessary for the mission .
