A. Identify TWO types of political boundaries shown on the map above. B. Explain how ONE type of boundary on the map impacts human populations. Be sure to explain how the boundaries both unite and divide people.

When a rock is mechanically weathered, the surface area of the rock is increased, which allows a greater amount of chemical weathering to occur. the surface area of the rock is increased, which hinders chemical weathering. the volume of the rock is decreased, which hinders chemical weathering. the volume of the rock is increased, which allows a greater amount of chemical weathering to occur. the surface area of the rock is decreased, which allows a greater amount of chemical weathering to occur