What Is the Longest River in the World?
What Is the Longest River in the World? The Nile River is the world’s longest river. It flows more than 4,160.08 miles (6,695 kilometers) from its source in...
Read MoreWhat Is the Longest River in the World? The Nile River is the world’s longest river. It flows more than 4,160.08 miles (6,695 kilometers) from its source in...
Read MoreHow Do Fish Maintain Buoyancy? Fish live in a three-dimensional environment. Instead of just worrying about moving forward, backward and to the sides, fish must also...
Read MoreTombstoning is the act of jumping in a straight vertical posture into the sea or other body of water from a high jumping platform, such as a cliff. This posture of the...
Read MoreWhat Is Local Mean Sea Level? Sea level is the base level for measuring elevation and depth on Earth. Because the ocean is one continuous body of water, its surface...
Read MoreHow Do Scientists Measure the Depth of the Ocean? Historically, before scientists developed new techniques, the depth of the ocean was actually measured by sending a...
Read More