Answer:
Step-by-step explanation:
Most people in Southeast Asia live near the river deltas and on volcanic islands because the soil is rich in nutrients and the rivers flood often. This allows people to farm mostly rice, called paddies. Flooded land from the river deltas create great rice growing conditions, which is a food and economic staple for the people in this geographical region.
There are several religions amongst the small countries that make up Southeast Asia. There is usually a mix of all three of these religions, as well as Hinduism.
Buddhism is the majority religion in countries such as: Myanmar and Thailand.
Christianity is the majority religion in: the Philippines
Islam is the majority religion in countries such as: Indonesia and Malaysia.
There are several ethnic groups that make up Southeast Asia, as well. As far as the largest ethnic groups in the three questioned countries:
Indonesia's largest ethnic group are the Javanese.
The Philippines' largest ethnic group are the Tagalog.
Singapore's largest ethnic group are the Chinese.