The three main type of stress are : Compression, Tension, and Shear stress. Compression squeezes and shortens rock while Tension stretches and pulls rock, making it thinner. <span>Shear stress distorts a body by pushing parts of the body in opposite directions. Sheared rock bends, twists, or breaks apart and slides past neighboring rock. So, Compression stress is the stress that forms mountains resulting from large blocks of rock squeezing together. </span>
Type of Erosion Control<span> </span>Pros of Using this Control
- Jetties - protect buildings on beaches from losing sand
- Breakwaters - Stop the waves from hitting the beach
- Beach Renourishment - easy way to prevent sand erosion
- Planting of dune grasses and plants - roots hold sand together and make it more difficult to wash away
Cons of Using this Control
- can seriously affect the tidal circulation and the health of wetlands
- changes profile of the beach
- can cause bottom organisms and habitats to e smothered by muddy water
- can make the beaches difficult to use for recreation
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</span> I think that Breakwaters<span> are the best to use. One reason is the only major con that is has is changing the profile of the beach instead of harming wildlife and taking away funding (recreational use.) Another reason is that the rocks used provide great climbing tools for beachgoers and might entertain them. A third reason is that breakwaters can be underground as well, not damaging the beach very much. Finally, they save millions of dollars in replacing sand.</span>
The air and water are polluted
