Quiz Entry - updated: 2026.07.06
PAO 34 — what is the Object?
Test tube.

* Two glass test tubes — Amitchell125, CC BY-SA 3.0, via Wikimedia Commons. *
Marie Curie's prop.
PAO 34 — what is the Object?
Test tube.

* Two glass test tubes — Amitchell125, CC BY-SA 3.0, via Wikimedia Commons. *
Marie Curie's prop.