Bull sharks have been swimming in the same water as us for some time, scientists have discovered. According to National Geography, scientists found that these animals, who need salt to survive, actually can retain salt and recycle it for a
How Wide Is the Mississippi River?
One of the world’s most important river systems in terms of its size, variety of habitats, and biological efficiency is the Mississippi River in the United States. Besides being a vital commercial river, it is also a major migration route
In Which Country Does the Amazon River Begin?
The Amazon River is considered one of the most intriguing in the world. Its size, benefits, and meandering through multiple countries attract scientists and visitors from across the globe. But where does the Amazon River begin? Modern research shows the
What is the Longest River in Europe?
Historically, rivers have been a source of food, water, water transportation, hydropower, and defense. Rapidly flowing rivers also create waterfalls that generate enough energy to power hydroelectric power stations. The longest river in Europe is the Volga River. It flows
The 30 Longest Rivers in South America
What comes to mind when you hear “South America”? You probably think of the Amazon River, the Amazon Rainforest, remote indigenous tribes, Latin American cultures, the Andes Mountains, Rio de Janeiro’s Carnival, and soccer. The Amazon River may be the
The 15 Longest Rivers in Central America
Consisting of 7 countries and an estimated population of 180 million people, Central America is rich in history, culture, biodiversity, and natural resources. Although “Central America” can mean different things to different people, people agree that this region of the
How Much Does a Yard of River Rock Weigh?
River rocks vary in size, shape, and color. You will find river rocks in riverbeds and on beaches. They are round and worn smooth from the tumbling action of the water. River rocks can be igneous, metamorphic, or sedimentary. The