Geography Of The World
Upwellings
Upwelling refers to a phenomenon that includes the wind-driven movement of cool, nutrient-rich, dense waters from deeper ocean depths toward the ocean surface

Aras River
The Aras river flows through the countries of Iran, Armenia, Azerbaijan, and Turkey. It is one of the longest rivers in the Caucasus.

Bug River
The Bug River, also known as the Western Bug (in Ukrainian, Zakhidnyy Buh), flows 516 miles through Ukraine, Poland, and Belarus in Eastern Europe.

Estuaries
An estuary refers to a partially surrounded coastal brackish water body with a free link to the open sea, and where the freshwater combines with the saltwater

What Happens When Continents Collide?
Depending on whether the two plates are converging or diverging, their collision could cause anything from seismic shock and minor earthquakes to the formation of mountain ranges.
10 Most Beautiful Lakes In Mississippi
From soaking up the sun to water sports and, of course, fishing, these beautiful Mississippi lakes are great ways to further appreciate the wonderful Southern atmosphere of America.


Ocean Currents
The ocean currents in the five big oceans of the world play an essential role in distributing the massive amount of heat, moisture, nutrients, and gases.
Allegheny River
This 321 miles long river is one of the country's national wild and scenic rivers, flowing through Pennsylvania and New York.
9 Most Beautiful Lakes In Delaware
It might be surprising to hear that dozens of fantastic lakes can be found within the 506,000 hectares that make up this state.

10 Least Densely Populated Countries in the World
Population density patterns are also a great example of understanding a country's livability; thus, countries are ranked by population density.

Geyser
A geyser is a unique hot spring because, unlike many other hot springs, geysers erupt periodically, and not continuously.

Big Sandy River
The Big Sandy River, a northward-flowing tributary of the Ohio River, is not particularly big—it only runs for 27 miles.

Atchafalaya Bay
The Atchafalaya Bay in southern Louisiana sits at the delta of the Atchafalaya River, a tributary of the mighty Mississippi River.
The Ocean Carbon Cycle
Through the Oceanic Carbon Cycle, the oceans play an essential role in mitigating global warming by absorbing excess carbon dioxide emissions.
Alazani River
The Alazani River is one of the most significant waterways in the southern Caucasus, flowing through Georgia and Azerbaijan.

What Were the Ancient Supercontinents?
Pangaea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras, approximately 336 million years ago.

Pocono Mountains
The Pocono Mountains is a highland region spread across the Wayne, Monroe, Pike, and Carbon Counties in northeastern Pennsylvania.

8 Most Beautiful Lakes In Arizona
Although known to be one of the aridest states, Arizona is surprisingly home to some of the most beautiful lakes in the entirety of the United States.