<P> This theme describes how people interact with the environment, and how the environment responds, with three key concepts: </P> <Ul> <Li> Dependency: Humans depend on the environment . </Li> <Li> Adaptation: Humans adapt to the environment . </Li> <Li> Modification: Humans modify the environment . </Li> </Ul> <Li> Dependency: Humans depend on the environment . </Li> <Li> Adaptation: Humans adapt to the environment . </Li>

According to geographers there are two kinds of location