Answer: Because sand dunes protect inland areas from swells, tides, and winds, they must be protected and defended like national treasures. A strong and healthy beach dune is a powerful antidote against coastal erosion. The ocean and the wind can have an unpredictable, destructive force on coastal regions.
I think is 152 million km
The 6th planet from the sun is Saturn. Here is a picture of all of the 8 planets from the sun.
The answer may be B, but i may be incorrect.
