Hope this helps:) good luck!
No. It is the other way around.
When you sell a product to another country, you are exporting your product. The country buying your product is the importer as they are bringing the product into the country by buying it.
The correct answer is - because workers are needed for development projects.
The countries in the Arabian peninsula has developed significantly in the last decades and are continuing that trend, so for the fast, modern, development they need a lot of workers which they do not have, so they offer jobs to foreigners.
A layer of the earths atmosphere above the mesosphere and below the exosphere.