Respuesta :
Asia is the birthplace of the world's first civilizations. Many traditions have been important to society for generations.
Options (2), (3), and (4) are the correct answers that affected human activity in Southeast Asia.
What affected Human Activity?
The Mekong River passes through five mainland countries and has a good agricultural basin.
Because of its location and trade activity in the Malacca Strait, Singapore has become an important port.
Over the years, both tsunamis and typhoons have killed thousands of people.
For more information about the south Asian environment, refer below
https://brainly.com/question/10043992