Because the sea floods it twice a day.
A Delta is where a large river enters the sea which has a low tidal range.
the delta is near the sea and has many economic problems so thats why there is a low density in delta
That is a 'delta'
Delta Electricity's population is 671.
Delta Holding's population is 25,000.
The population of Delta Amacuro is 152,700.
Delta State's population is 2,570,181.
The population of Delta Electricity is 2,011.
The population of Yangtze River Delta is 105,000,000.
Delta Scientific Corporation's population is 2,007.
Delta Scientific Corporation's population is 175.
The population of Delta Lloyd Group is 2,010.