Answer:
Ariel as his name suggests is a spirit, ethereal, while Caliban is gross and bestial. Both are connected to the witch Sycorax who ruled the island before Prospero: Ariel was imprisoned by her, before being rescued by Prospero, while Caliban is her offspring. Both are servants of Prospero.
Answer:
Mummification was extremely important to the Egyptians because they believed that when their leaders were mummified they would be protected into the afterlife. They would also put objects in the mummy casket cause they believed that they would take it with them to the afterlife.
I've heard the Ganges River is very polluted and filthy. Indians throw trash in there. It was known for its beauty. People bathed in its waters believing it was holy. That is one reason it is so dirty. It would take a very long time considering the fact that the Ganges River is one of the longest in India, with the Indus River at first place.