Increasing "Pressure or Temperature" is used to identify the layers of the atmosphere
Hope this helps!
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.
No. They look different from humans. They cannot mate with humans and have kids.
