Using a map of the hemispheres, determine which continent is the most mountainous and which is the least mountainous.

Answer: Based on general geographical knowledge:

• Most mountainous continent: Asia (due to the Himalayas, Tian Shan, etc.)
• Least mountainous continent: Australia (largely flat with some ranges like the Great Dividing Range).

Note: This answer is based on general knowledge as the specific map is not provided.