Answer:one of the world's largest observatories.
Explanation:Cerro Tololo is located in the northern part of the South American country of Chile, more specifically, in the Coquimbo region of the country. The Cerro Tololo Inter-American Observatory, is part of the United States's National Optical Astronomy Observatory, and it is one of the biggest in the world of this type.
<span>In 1970, many East Pakistanis felt that West Pakistan treated East Pakistan like a colony. West Pakistan had more revenue and East Pakistan felt that less of this money was being spent there than should have been, Then when Pakistan became friendly with the US and China, and India was friendly with the Soviet Union, India encouraged the separatist sentiment in East Pakistan. East Pakistan eventually became Bangladesh.</span>
Planting grass and trees would stop erosion.
