Answer :
Final answer:
The Indochina peninsula, Malay peninsula, and Singapore peninsula are part of the Southeast Asia region, which is in Asia. Correct option 1.
Explanation:
The Indochina peninsula, Malay peninsula, and Singapore peninsula are located in the Southeast Asia region.
Southeast Asia is composed of two main geographic regions; the mainland region, which borders China and India, and includes countries such as Vietnam, Laos, Cambodia, Thailand, and Myanmar, and the insular region, which consists of islands and peninsulas between Asia and Australia, including countries such as Malaysia, Singapore, Brunei, Indonesia, and the Philippines.
This region is bounded by the Indian Ocean to the west and the Pacific Ocean to the east, further characterized by seas, bays, straits, and gulfs.
The South China Sea is a significant body of water that separates the mainland and insular regions of Southeast Asia.
Therefore, the correct answer to which region the Indochina peninsula, Malay peninsula, and Singapore peninsula belong is 1) Asia.
