What is the highest peak in Africa?

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? What is the name of the mountain range in western North America that stretches across California and Nevada? What is the highest peak in South America? Which mountain is the highest peak in Asia? What is the highest peak in Europe? Which mountain is the highest peak in Antarctica?