What is the continent where Carstensz Pyramid is the highest peak?

Which mountain is the highest peak in the Ethiopian Highlands? Which mountain is the highest peak in the Appalachian Mountains? Which mountain is the highest peak in Australia? What is the country where the highest peak in South America is located? Which mountain is the highest peak in the contiguous United States? What is the country where Mount Elbrus, the highest peak in Europe, is located? Which mountain is the highest peak in the Himalayas? Which mountain is the highest peak in New Zealand?