Answer:
The main importance of Tourism is that it is the second-best method to generate an economy for the country. With the high inflow of tourists, the spending of their currencies provides a great income source to the less important currency of Nepal.Tourism industries help to exchange art and culture between Nepal and the rest of the world. ... Tourism is an important source of government revenue in the context of Nepal. The government earns revenue from the tax, visa, fee, royalty etc. This increases the government revenue.
The option that tells us the main theme of the passage is the fact that With the arrival of talking films in the 1920s, silent films became unprofitable.
<h3>What is the summary of the passage?</h3>
This passage is telling us of the reasons why the people had to stop making the silent movies. It is telling us of all of the issues that came with it and why the film makers had to do away with them.
First the movies were said to have been destroyed. That is the ones that were already in existence and how many of them had to be recycled so that they could get the metals that they contain.
All of this came to be based on the fact that these movies were no longer seen to be profitable anymore. Hence it was of no use having them around.
Read more on theme of a story here:
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Guerrillas could launch surprise attacks quickly against a force then get away quickly
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