The Manhattan Project was the code name for the American-led effort to develop a functional atomic weapon during World War II. The controversial creation and eventual use of the atomic bomb engaged some of the world’s leading scientific minds, as well as the U.S. military—and most of the work was done in Los Alamos, New Mexico, not the borough of New York City for which it was originally named
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The Intercoastal Highway in South America is a highway that connects the western and the eastern coast of the continent, running through the countries of Peru and Brazil. The big positive of this highway is that it is connecting the eastern and western part of the continent, enabling for easier transportation of goods, and easier movement of people, which is of great economic benefit for everyone involved. On the other hand, there are also negatives, with the two biggest being the destruction of lot of tropical rainforest, and deaths of animals. In order for this highway to be built, enormous amount of trees and other vegetation have been cut down, which is always a problem. Also, the wild animals are not used to a highway running through their habitat, so they do not know how to react, very often being run over by the vehicles passing through.
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united states have many diverse lands. they have highlands and lowlands. if you want to know more look at goole maps
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Why humans left their African homeland 80000 years ago to colonize the world. When the migration was complete, Homo sapiens was the last—and When the study of human origins intensified in the 20th century, two main theories emerged to explain the archaeological explanation. Blombos Cave held signs of early human creativity. The currently favored theory is that humans migrated via the Bering land bridge along the western Pacific coastline at a time when sea levels were lower, exposing an ice-free coastline for travel with the possibility for transport over water. Ancient scroll from SAPIENS. In a study published today in Nature, researchers report that dramatic climate fluctuations created favorable environmental conditions that triggered periodic waves of human migration out of Africa every 20,000 years or so, beginning just over 100,000 years ago.
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