Which mountain range in Central Asia stretches across western China, Kazakhstan, and Kyrgyzstan?

What is the name of the mountain range that includes Mount Everest? Which mountain range runs through the Scottish Highlands? 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? What is the name of the mountain range in Africa that stretches across eastern South Africa and Lesotho? What is the name of the mountain range in western North America that stretches across California and Nevada? What is the highest peak in Africa? What is the highest peak in South America?