Basically, a passive radiator is a reactionary device as the name suggests. When a driver (such as a subwoofer) is mounted to a sealed speaker box (enclosure), the physical forward/back movement of the speaker affects the internal air pressure of the enclosure.
The 3 landforms created by wave erosion sometimes called coastal  erosion are headlands and bays, cliffs and wave cut platforms and  finally caves, arches, stacks and stumps â¦ . Wave erosion is the  wearing away of land and the removal of beach by wave currents.
Erosion simply means wearing away. However, it is most often used used in a geological sense, when it means the movement of rock and mineral grains from one place to another, â¦ and can also describe how beaches change shape. mountain is a sharpened peak formed by the glacial actions of three cirques on a mountaintop. Since we know that a cirque is a bowl-shaped basin formed by EROSION and a moun â¦ tain horn is formed by three CIRQUES it becomes clear that mountain horns are formed by erosion. 5 people found this useful.