What is the world's largest lake?

The world's largest lake, by surface area, is the Caspian Sea. It is located between Europe and Asia, and is bordered by five countries: Russia, Kazakhstan, Turkmenistan, Iran, and Azerbaijan. The Caspian Sea has an area of about 371,000 square kilometers (143,000 square miles), making it larger than any other lake on Earth.

Despite being called a "sea," the Caspian Sea is technically a lake. It is considered a remnant of an ancient ocean that once covered a much larger area. The Caspian Sea is known for its unique ecosystem, with various species of fish and other marine life inhabiting its waters.

In addition to its size, the Caspian Sea is also known for its rich reserves of oil and natural gas. It has been a major source of energy for the surrounding countries, contributing significantly to their economies.

Another notable lake is Lake Superior, which is the largest freshwater lake in the world by surface area. It is located in North America, between the United States and Canada. Lake Superior covers an area of approximately 82,100 square kilometers (31,700 square miles).

Lake Baikal, located in Russia, holds the title for the world's deepest and oldest lake. It is the deepest lake on Earth, with a maximum depth of about 1,642 meters (5,387 feet). Lake Baikal is also estimated to be around 25 million years old, making it one of the most ancient lakes in the world.

In conclusion, the Caspian Sea is the world's largest lake by surface area, spanning 371,000 square kilometers. It is followed by Lake Superior, the largest freshwater lake, and Lake Baikal, the deepest and oldest lake. These lakes not only showcase the incredible diversity of Earth's geography but also play significant roles in the regions they are located in.

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