Final Answer:
The highest mountain is located in:
a. Asia
Step-by-step explanation:
The highest mountain in the world, Mount Everest, is situated in the Himalayas, which is part of the Asian continent. Mount Everest stands as the Earth's highest point above sea level, reaching an elevation of 29,032 feet (8,848 meters).
Asia is home to several other significant mountain ranges, including the Karakoram, the Hindu Kush, and the Pamir Mountains. These ranges collectively host some of the world's highest peaks.
The correct option is (a) Asia, where Mount Everest is located.