Which of the following is not an example of a study within human geography?
a.
landforms and natural environments
b.
political systems
c.
social and cultural systems
d.
human interactions with the environment

B its pretty obvious its polaticial systems

Largely uneconomic because they provide little profit or food surplusi think so

1. d: oceanic crust is thicker and contains a lot of granite2.d: where two continental plates are colliding  3.b.contour boundaries4.b.plates that are attracted to each other by gravity5.a.as two continental plates collide along a convergent boundary, mountains are formed.