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.
Three landforms created by wind are; sand dunes, yardangs (half-teardrop shaped formations hill sized, and deflation hollows (wind swept depressions.
Intrusive volcanic landforms result from magma solidifying beneath the earth's crust, then later exposed by earthquake, erosion.Examples: Batholith, Sill and dyke are all examples of intrusive volcanic landforms.erge this question into. Split and merge into it. Answer by NutAR. Confidence votes 7. Intrusive volcanic landforms result from magma solidifying beneath the earth's crust, then later exposed by earthquake, erosion. Examples: Batholith, Sill and dyke are all examples of intrusive volcanic landforms.