Question

Why have big cities developed near sea coasts?Answer the given question.

Answer 1

Cities near water allow for water transportation , which is generally faster than land transportation.

Answer 2

Generally cities build near water have 2 main advantages
1)commerce -Cities near water allow for water transport which is cheaper and faster than land transportation. cities with access to water trading routes could deliever great amounts of goods for trade to other coastal areas.
2) Sustainability- water bodies like river sea etc provide food and other resources, which in turn helps the population of coastal cities to grow and expand faster. we can obtain oil, there are oil refineries. Kochi on South west coast of India is known as "Queen of Arabian Sea" as it was an important trade centre for spices on western coast of India from 14th century.
Different types of fish and shark are found in sea and from their lives we obtain shark liver oil cod liver oil which are useful and thus big cities are developed because of its closeness towards sea.