The value of goods and services produced within a country in a year<span>
hope this helps
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Try taking a clearer picture or just type question 13c because i don't know what it is.
The benefits of Desalination. One of the benefits is that we able to use the earth's abundant salt water supply. Meaning that the salt water could be purified of salt, and distributed to the places that need it. One of the drawbacks is that not much water is left after the process.
