How has southeast Asians modified the environment to meet their farming needs?

South East Asian lands and climates weren’t really the best for agricultural practices. Some modifications were made to improve yield such as irrigation, terracing and organic fertilizers usage.

This practices has over the years improved the yield, quality and ensured they produce enough crops for its citizens and for exports too.

they sometimes resort to unethical tactics.

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.