Disappearing ink is designed to eventually fade or disappear over time, but it may not come off of all surfaces easily. It is recommended to test the disappearing ink on a small, inconspicuous area first before using it.
Boy, put some Robitussin.
what was the ink made from in WW1
Ink.
No, disappear is a verb. The present participle disappearing is sometimes an adjective.(In Latin America, the Spanish word for "disappear" is used as a verb to mean extra-legal murder or detention, and the word disappeared is an adjective.)
when it was made
"You guys made me ink!!"
becuse the ink made your hands dirty
No, a pen can be made from various materials e.g. a quill, metal, plastic, but not ink, the pen is filled with or dipped into ink prior to use.
If you mean India ink, the answer is no. India ink in made with carbon black and is not inherently waterproof. It must be made waterproof the same way other inks are made waterproof, by the addition of certain chemicals and compounds.
Squid
?