Importance of the ocean

1. The ocean is big
   1. It has lots of water.
   2. Many factors influence the ocean.
2. It influences the hydro-logical cycle
   1. Almost all the water that falls on land evaporates from the ocean.
   2. Water from the ocean falls as rain.
   3. Water from the ocean influences weather.
3. Coastal erosion
   1. People living along coasts are concerned about erosion.
4. Ocean pollution
   1. Pollution influences recreational use of the ocean.
   2. Pollution influences what fish can be eaten safely.
5. Fisheries and over fishing
   1. Many countries and regions depend on fish from the sea.
   2. People like to watch whales and dolphins.