Argon is the most abundant inert gas in the atmosphere, representing about 0.93% of the total air volume. Unlike nitrogen, which is technically a gas, argon is a noble gas that belongs to group 18 of the periodic table. It ...
Discussion Forum Latest Questions
The Pyrenees form the natural land border between France and Spain, effectively isolating the Iberian Peninsula from the rest of mainland Europe. Stretching from the Atlantic to the Mediterranean, this Young Fold Mountain range also hosts the small sovereign state ...
The Great Dividing Range is the most significant mountain system in Australia, running parallel to the entire eastern coast. It is an ancient, eroded range that acts as a primary watershed, separating the rivers flowing east to the Pacific Ocean ...
The Columbia Plateau (or Columbia River Basalt Group) was formed by massive fissure eruptions of basaltic lava. Between 6 and 17 million years ago, highly fluid lava flowed out of cracks in the earth and covered over 160,000 square kilometers. ...
A Guyot (or seamount) is an isolated, flat-topped submarine mountain. Geographically, they are the plateaus of the ocean floor. They were originally volcanic islands that were leveled by wave erosion at the sea surface and subsequently submerged as the ocean ...