There are seven continents: North America, South America, Europe, Asia, Africa, Australia and Antarctica. The Oceania region is sometimes associated with Australia, but this group of land masses is not actually a continent.Know More
In some parts of the world, people group the Americas together as one continent and are taught that there are six continents. Others consider Europe and Asia to be one continent called Eurasia.
A continent is a continuous mass of land. According to the continental drift theory, all the land on Earth was joined at one time in a continent called Pangea, and the movement of tectonic plates caused some land masses to drift apart, forming individual continents.
Land covers less than one-third of the Earth's surface; the rest is covered by water. The four major oceans on Earth are the Pacific Ocean, Atlantic Ocean, Indian Ocean and Arctic Ocean.Learn More
Kentucky and Illinois are the two states that border both the Ohio and the Mississippi Rivers. The junction of these two river systems is located near Cairo, Illinois, historically a busy river port.Full Answer >
Mount Kilauea is located on the Big Island of Hawaii. One of the largest active volcanoes in the world, the mountain has been constantly erupting for more than 30 years. The volcano itself is estimated to be 600,000 years old, while the oldest rock is 23,000 years of age.Full Answer >
Cape Alava, located in Clallam County, Washington, is the westernmost point in the continental United States. The cape has a longitude of 124° 44' 11.8" W and is accessible by a 3-mile boardwalk hike from a ranger station.Full Answer >
Prairies are large areas of mostly treeless grassland found all over the world including North America, South America, Europe, Asia and Africa. This biome is characterized by moderate temperatures, moderate rainfall and vast stretches of flat land. Tall grasses prevent erosion, so grassland prairies are ideal for agricultural activities.Full Answer >