Answer:
D modifying the environment
Explanation:
.Now, human activities have also changed the land.
this happens by way of constructing homes and buildings, planting fields, mining the earth for natural resources and minerals. And we also reshape the land to make building easier. So this is how we shape and modify the land in order to make things easier for humans. A way in which humans have done this includes the building of terraces. Farmers in East Asia have carved out terraces in the sides of hills and mountains.
