Which mountain range runs through the Scottish Highlands?

Which mountain range in North America stretches from British Columbia, Canada, to New Mexico, USA? What is the name of the mountain range that runs along the eastern edge of Australia? Which mountain range in the Middle East stretches from Turkey to Iran? What is the name of the mountain range that includes Mount Everest? Which mountain range in South America is home to Aconcagua, the highest peak outside of Asia? What is the name of the mountain range in eastern Europe that stretches across Poland, Czech Republic, and Slovakia? Which mountain range in Central Asia stretches across western China, Kazakhstan, and Kyrgyzstan? What is the name of the mountain range in Africa that stretches across eastern South Africa and Lesotho?