The stippled coastal seas are the world's major areas of
Answer Details
The term "stippled coastal seas" refers to the areas of the ocean that are located near the coast and have a dotted or speckled appearance on a map. These areas are important for commercial fishing, which involves catching fish and other marine life for sale and consumption. Therefore, the correct option is "commercial fishing." Fish farming, whaling, and deep sea fishing may occur in coastal seas, but they are not the primary activities that define these areas.
