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Because North America, Europe and Africa were connected eons ago, the Atlas mountains are believed to have originally been formed as part of Alleghenian orogeny . These mountains were formed when Africa and America collided, and were once a chain far higher than today's Himalayas. Today, the remains of this chain can be seen in the Fall line in the eastern United States. Some remnants can also be found in the later formed Appalachians in North America. The Sierra NevadaThe Sierra Nevada meaning "snowy range" in Spanish, is a mountain range in the region of Andalusia in Spain. It contains the highest point of continental Spain, the Mulhacen at 3,482 m. It is a popular tourist destination, as its high peaks make skiing po mountains in Spain were likewise formed in this continental collision.
Mountain ranges Maghrebsee also North Africa, Arab Maghreb Union, Mashreq) The Maghreb (or Moghreb), meaning "west" in Arabic, is the region of the continent of Africa north of the Sahara desert and west of the Nile specifically, the modern countries of Morocco, Algeria, Tunisi