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.
Lithosphere is the crust and upper mantle of the earth.
It means that the government, instead of free market, determines what is sold and how much it costs.
Answer: A higher dependency ratio is likely to reduce productivity growth. A growth in the non-productive population will diminish productive capacity and could lead to a lower long-run trend rate of economic growth.
