Answer :
Landforms on earth affect life on earth in countless ways. Waterways such as seas, oceans, and rivers have historically been some of the most important landforms because they have allowed humans to develop through trade, fishing, and production as a result of power from waterways. Certain landforms have also created natural boundaries between people that has led to unique cultures all over the world such as mountain ranges, deserts, seas, oceans, and forests. Also landforms have provided other unique resources like minerals that have led to human development. The list of ways that landforms have have effected human development is a never ending list.
Its affects life on earth because it puts things like mountains and valleys and hills where a certain thing needs to live.