71 percent of water makes up the surface of the Earth.
Hope this helps! (:
1 is d.only the planets were formed by chunks of debris
2 is c.the mantle
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.
