Question

what is the main reason that desalination (removing salt from saltwater) is not used to make clean, fresh water in all geographic areas? desalination technology is not a reality. desalination causes too much air pollution. desalination costs too much to use everywhere.

Explanation:

Desalination is a real - world technology. While it has some environmental impacts, the main limiting factor for widespread use is high cost, including energy and infrastructure expenses.

Answer:

Desalination costs too much to use everywhere.