How long did it took to buil the white tower?

What technology did the egypians use to move water from the nile river to their crops? What is Alexandria best remembered for? How many stories tall was the Titanic? Are there any lakes in Ireland how many? What are three causes of desertification? How are ocean current produced? Is there a roller coaster inside of Minneapolis mall? Is Machu Pichu in China? How do streams and rivers change the landscape? Who did the president send to explore the new land west of the Mississippi river? What cotroversial action did president Jimmy Carter do concerning the panama canal during his presidency? Why is the Macchu Picchu ruins important? How has the Indian government tried to eliminate some of the pollution that occurs in the ganges river? Explain the relationship between interactions and interdependence? Are rocks discovered on the moon similar to the ones in the grand canyon? What animals s live in Sherwood forest? What is tour organizers? What is the widest point of the river tyne? How wide is the river mekong? Which ocean zone would seem least likely to support marine life?