Help make Alexa smarter on Alexa Answers. Sign in with Amazon

History

What type of gas is the declaration of independence stored in?


The US Declaration of Independence is in a titanium casement filled with inert argon gas to protect and preserve the document.

{{ relativeTimeResolver(1652966001205) }}

LIVE
Points points 3
Rating

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE