Back injuries, sprains and strains, wrist, shoulder, and elbow difficulties change many development workers. In part, this is expected to the nature of the work itself. Building a home needs that much of the job be made over your head and at ground level. These are circumstances that considerably improve your hazard of damage. Development work also needs the use of many hands and power instruments which are badly planned, difficult to hold and swing a lot. This also puts workers at huge risk for damage.
From my reasoning, human-environment interaction is shown because New Orleans is this constantly flooded place, and humans are always trying to counter Mother Nature by building levee's and dam's and etc.
The crust and outer part of the mantle are the two top-most layers of Earth. The lithosphere is comprised of these two. Here's a picture for an example.
