Explain what may happen if shoreline resources are not protected

If shoreline resources are not protected, these may and will happen:
1) shoreline erosion
2)coastal flooding
3) water pollution
4) sea level will rise due to land sinking
5) higher risk of flooding in cities, inhabited islands, and tidal wetlands 6) increasing salinity of ground water making it undrinkable without desalination, and harming aquatic plants and animals

That is true tge cactus as a structural adaptation to its envirinment has it leaves reduced to spines. but this doesnt mean it cant produce food it produces food because of the presence of chlorophyll in its stem