Question category: SCIENTIFIC DISCOVERY

Question value: 800

In 1800, Humphry Davy wrote that this gas appears capable of destroying... pain & could be used in operations

Tap or click on "Show Me The Correct Answer!" and you will get the correct answer, or just try to answer without any help.

We are waiting for your answer...

cat bored

nitrous oxide (laughing gas)
No comments yet.
Be the first to comment!
Post a comment on "SMARTICINIG.click | FDR liked to rest near water, but because of fears after Pearl Harbor, this inland place was created for him"

Allowed HTML

<b>, <strong>, <u>, <i>, <em>, <s>, <big>, <small>, <sup>, <sub>, <pre>, <ul>, <ol>, <li>, <blockquote>, <code> escapes HTML, URLs automagically become links, and [img]URL here[/img] will display an external image.

Markdown Format

**Bold**, _underline_, *italic*, ~~strikethrough~~, `highlight`, ```code``` escapes HTML. HTML and Markdown may be used together in your comment.

Date
SuMoTuWeThFrSa
2324252627281234567891011121314151617181920212223242526272829303112345