Which of the following statements about Thailand's geographical and political features is/are correct?
1. Thailand is located at the center of mainland Southeast Asia and is a founding member of ASEAN.
2. Thailand shares borders with Myanmar, Laos, Cambodia, and Malaysia.
3. Thailand's highest peak is Doi Inthanon, and it is the world’s largest producer of natural rubber.
Select the correct answer using the code given below:
1
1 and 2 only
2
1 and 3 only
3
2 and 3 only
4
1, 2, and 3