The North American Union (NAU) is a theoretical economic and political union of Canada, Mexico, and the United States. The concept is loosely based on the European Union, occasionally including a common currency called the Amero or the North American Dollar. A union of the North American continent, sometimes extending to Central and South America, has been the subject of academic concepts for over a century, as well as becoming a common trope in science fiction. One reason for the difficulty in realizing the concept is that individual developments in each region have failed to prioritize a larger union.
Some form of union has been discussed or proposed in academic, business, and political circles for decades. However, government officials from all three nations say there are no plans to create a North American Union and that no agreement to do so has been signed. The formation of a North American Union has been the subject of various conspiracy theories
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Lake Chad has shrunk by 90% since the 1960s, due to climate change (desertification is turning the land to desert and is causing droughts so it gets hotter and more dry), an increase in the population and unplanned irrigation.
Brainliest answer please i need to reach the next rank
Explanation:
Some people could drown in tsunamis other people could get stuck in the waves and crash into hard objects.
I hope that this helps you :-)
I have no idea, but I wouldn't use Wikipedia.. The "facts" on there aren't always true. That's why we aren't allowed to use it in my high school.
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Partial melting occurs when only a portion of solid is melted. It is thus enriched in the chemical components of minerals with lower melting temperatures and the remaining unmelted portion of the rock is composed of minerals with highest melting temperatures. Partial melting preferentially enriches melts with incompatible elements.
Partially melted rock do not usually experience complete melting inside the Earth, due to their different chemical composition and their melting points.
It is thought that partial-melting processes play a major role in generating more-defined liquids from less-evolved ones, so that many basalts may be the result of partial melting in the upper mantle, and many granites may have derived partly or completely from the partial melting of continental crust (anatexis).With increasing temperature and pressure, the subducted oceanic crust (of basic composition) first undergoes metamorphism and then begins to melt or release watery fluids; this material rises into the overlying mantle, which may also begin to melt, giving rise to intermediate magma.