"Theoretical" is the term you're looking for, not unless you have a word choice to pick from.
<span>The rising and falling of the tides so the wells would become salty because of the tides coming in.</span>
I don't know search on Google
You find it in Australia, usually in the southeast area.
Answer:
"Tackling the global shortfall in radiotherapy could save millions of lives and boost the economy of poorer countries: Investment in radiotherapy services could bring economic benefits of up to $365 billion in developing countries over the next 20 years." ScienceDaily.
