Landforms

A:

A river divides into smaller river and empties into a body of water, creating an area known as a delta. Sometimes, a delta can empty into land, but this doesn't occur very often.

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  • What Do the Pampas, Prairies, Steppes and the Highveld Have in Common?

    Q: What Do the Pampas, Prairies, Steppes and the Highveld Have in Common?

    A: The Highveld, the Pampas, steppes and prairies are all grasslands, which are biomes dominated by grasses, flowers and herbs. Savannas and the Llanos region of northern South America are also grasslands.
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  • What Makes a Continent?

    Q: What Makes a Continent?

    A: A continent is a large land mass on Earth that is distinguished by a separation from other land by water or by a distinct cultural difference. Earth has a total of seven continents: North America, South America, Europe, Africa, Asia, Australia and Antarctica.
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  • What Is a Group of Mountains Called?

    Q: What Is a Group of Mountains Called?

    A: A group of mountains is known as a mountain range. A group of ranges that share a common origin and form are a mountain system. A group of systems are a mountain chain. A group of ranges, systems and chains are known as a mountain belt or a cordillera.
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  • What Is a Plateau?

    Q: What Is a Plateau?

    A: A plateau refers either to a piece of land that is level and located above nearby land, or the term can refer to a situation that is relatively unchanged for a period of time. In the case of an unchanged situation, the word has either a negative or a positive connotation, depending on whether change is advantageous.
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  • What Are the Main Landforms in the Desert?

    Q: What Are the Main Landforms in the Desert?

    A: The most common landscape features found in deserts are sand dunes, yardangs, desert pavements, debris, playas, oases, mesas, alluvial fans, arroyos and buttes. These landforms vary from desert to desert.
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  • Where Does the River Thames Start and End?

    Q: Where Does the River Thames Start and End?

    A: The River Thames originates in a meadow in the Cotswold Hills in Gloucestershire and travels 215 miles through England before emptying into the North Sea near Essex.
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  • What Is an Example of a Raised Flat Area?

    Q: What Is an Example of a Raised Flat Area?

    A: An example of a raised flat area is a plateau. A plateau is a large flat region of land higher than the other areas of land surrounding it.
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  • How Were the Snowy Mountains Formed?

    Q: How Were the Snowy Mountains Formed?

    A: The Snowy Mountains in the Australian Alps started forming about 860 million years ago by different marine sediments when southeast Australia was covered by the sea, according to Swirk. Natural forces up folded and lifted these rocks, then were later flattened by erosion leaving the sharp edge plateaux seen today. The valleys were formed by river water erosion.
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  • How Did the Grand Canyon Form?

    Q: How Did the Grand Canyon Form?

    A: The Grand Canyon was formed primarily by erosion from the constant water flow of the Colorado River. This erosion occurred gradually over the past 5 to 6 million years.
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  • What Are the Three Types of Plateaus?

    Q: What Are the Three Types of Plateaus?

    A: The three types of plateaus are dissected, volcanic and oceanic plateaus. A plateau is described as a raised landform that extends above the surrounding area on at least one of the plateau's sides. Plateaus are found on every continent and make up 30 percent of the land on Earth.
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  • What Are Examples of Peninsulas?

    Q: What Are Examples of Peninsulas?

    A: Peninsulas are found all around the world; in the United States, two prominent examples are the Upper Peninsula in Michigan and the Delmarva Peninsula in Maryland. Peninsulas are chunks of land that are surrounded on three sides by water and joined to larger bodies of land by a neck, called an isthmus. Peninsulas occur primarily along ocean coastlines, although they appear along large river borders too.
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  • What Are the Windward and Leeward Sides of a Mountain?

    Q: What Are the Windward and Leeward Sides of a Mountain?

    A: The windward side of a mountain faces the wind while the leeward side faces away from the prevailing wind. The climate on different sides of the mountain can vary greatly.
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  • What Are the Appalachian Highlands?

    Q: What Are the Appalachian Highlands?

    A: The Appalachian Highlands are a mountain range in Eastern North America. They run from Canada to regions of Georgia and through Alabama.
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  • How Do Volcanoes Form Landforms?

    Q: How Do Volcanoes Form Landforms?

    A: Volcanoes form landforms when the lava that flows out of the peak solidifies into rock. Magma is molten rock from the Earth's mantle pushed up by the action of plate tectonics. When the magma flows or explodes out of the top of the volcano, it is called lava. Over geological timescales, this lava keeps piling on top of successive strata of cooled rock, making several different kinds of landforms.
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  • What Do Mount Etna in Sicily and Mount St. Helens in the U.S. Have in Common?

    Q: What Do Mount Etna in Sicily and Mount St. Helens in the U.S. Have in Common?

    A: Both Mount Etna and Mount St. Helens are active stratovolcanoes, also known as composite volcanoes. In addition, both have experienced major activity in the twentieth and twenty-first centuries.
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  • How Do Landforms Affect Climate?

    Q: How Do Landforms Affect Climate?

    A: Landforms affect climate by altering the wind and rate of evaporation, which can cause changes in the temperature, humidity and precipitation of a region. When storm fronts run into landforms, such as mountains or high plateaus, rain clouds are sometimes blocked. This causes the upwind side of the landform to receive plentiful rainfall, while the downwind side of the structure remains dry.
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  • Where Do Caves Form?

    Q: Where Do Caves Form?

    A: Most caves form in karst, which is a type of landscape composed of dolomite, gypsum and limestone rocks that gradually dissolves in the presence of slightly acidic water, according to National Geographic. Some caves are found in cliffs at the edge of a coastline. Others form in areas where the outer surface of a lava tube cools and hardens, and the molten rock’s inner content drains away.
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  • How Do Parabolic Dunes Form?

    Q: How Do Parabolic Dunes Form?

    A: As with all dunes, parabolic dunes are primarily shaped by the wind. Parabolic dunes tend to proliferate in places where wind blows predominantly in one direction and the movement of sand is restrained by vegetation.
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  • Why Are Deserts so Dry?

    Q: Why Are Deserts so Dry?

    A: Deserts are dry because the air above them is lacking moisture. This is caused by rain shadows, moisture sources being too far away, cold ocean currents nearby or the Earth's circulation patterns.
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  • What Is a Ring-Shaped Coral Island Called?

    Q: What Is a Ring-Shaped Coral Island Called?

    A: A ring-shaped coral island is called an atoll. According to Encyclopedia Britannica, an atoll is made up of sections of coral reef that form a closed shape around a central lagoon.
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  • How Are Islands Formed?

    Q: How Are Islands Formed?

    A: Islands form in several ways. The most common events that lead to island formation are volcanic activity and continental drift. Islands also form due to erosion, buildup of sediment and coral that grows enough to penetrate the surface of the water.
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