I would answer your question but i think you wanted to add options. next time you can just screen shot and actually i think you still can by pressing the edit button. And there are several types of wedges you could be talking about mechanical, frost, salt, etc.
You need to be a bit more specific. but i would be more than happy to answer your question. :)
The digital signal can then be recorded, edited, and modifies using digital audio tools. A transducer which converts sound pressure waves into electrical signals. a digital-to-analog converter will convert a digital signal back into an analog signal, which analog circuits amplify and send to a loudspeaker.
Answer: it attempts to to stabilize the river by creating a state of equilibrium
Explanation: Sediment transport occurs in natural systems where the particles are clastic rocks (sand, gravel, boulders, etc.), mud, or clay; the fluid is air, water, or ice; and the force of gravity acts to move the particles along the sloping surface on which they are resting.