Answer:
They release Carbon Dioxide (CO 2)
The "lost city" of Pompeii was an amazing disclosure in 1738. From that point forward, a huge number of visitors have set out to Italy to see this mind blowing disclosure of a city finished covered in fiery debris very nearly 2000 years back. The essential concern confronting students of history and archeologists today is saving this site and protec±ng it from visitors and the components.
In the USA, it is in Fort Knox, Kentucky.
In other countries that keep a gold reserve, it is in a similar
guarded, high-security central facility.
Answer:i dont know
Explanationin:i still dont know