Question 39
Look back at the questions at the start of the chapter. What are the methods that we use for salt production on a large scale? Use reference books or the Internet to find out more about what these methods involve and suggest how they could have an impact on the environment.
Context from the chapter opening: mining rock salt, pumping water into underground salt beds, and solar evaporation.
Context from the chapter opening: mining rock salt, pumping water into underground salt beds, and solar evaporation.
