ArcaMax

Knowledge

on Oct 12, 2025

Carbon Dioxide
Hydrogen
Argon
Ozone

Argon. Nitrogen and oxygen make up 99% of our atmosphere. Argon, at .93%, makes up almost all of the other 1%.

Science Trivia / October 12, 2025

Michael Bloomberg. Michael Bloomberg is a billionaire who has been Mayor of New York City.

Science Trivia / October 11, 2025

Solid. Matter in a solid state has definite volume and shape.

Science Trivia / October 11, 2025

22. Cooper was the first American to sleep while in orbit.

Science Trivia / October 10, 2025

44 Minutes. In Japan, the Shinkansen system is built with no road crossings.

Science Trivia / October 10, 2025

Dorsal Fin. A sea animal can have up to three dorsal fins.

Science Trivia / October 09, 2025

Landforms. Landforms are natural features of the earth's surface, like mountains, valleys, plains and hills.