An ... sometimes called an island group or island chain, is a chain, cluster or collection of islands

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An ... is a ring-shaped coral reef including a coral rim that encircles a lagoon partially or completely

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a ... refers to a shallow area or depression filled with water or a large, round, bowl-shaped depression that occurs on land or in the ocean. It can also refer to a water area that has been closed artificially so that the tide does not cause changes.

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A ... is a large body of water connected to an ocean or sea formed by an inlet of land due to the surrounding land blocking some waves and often reducing winds

A ... is a landform along the shoreline of an ocean, sea, lake, or river. It usually consists of loose particles, which are often composed of rock, such as sand, gravel, shingle, pebbles, or cobblestones

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A ... is an isolated hill with steep, often vertical sides and a small, relatively flat top; ... are smaller than mesas, plateaus, and table landforms

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A ...or gorge is a deep ravine between pairs of escarpments or cliffs and is most often carved from the landscape by the erosive activity of a river over geologic timescales

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In geography, a ...is a headland or promontory of large size extending into a body of water, usually the sea

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In geography and geology, a ...is a vertical, or near vertical, rock exposure. ...are formed as erosion landforms due to the processes of erosion and weathering that produce them

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..., also called shore ,  broad area of land that borders the sea.

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A river ... is low-lying plain or landform that occurs at the mouth of a river near where the river flows into the ocean or other body of water

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In physical geography, a ... is a hill of sand built by either wind or water flow

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Geologically, a ... is a long, narrow inlet with steep sides or cliffs, created by glacial erosion

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... are geographically defined as gradual increases in elevation at the base of a mountain range

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A ... is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation over many years, often centuries

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1. A ...is a portion of the ocean that penetrates land. ...vary greatly in size, shape, and depth. They are generally larger and more deeply indented than bays.[image]

A sheltered part of a body of water deep enough to provide anchorage for ships

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A ... is a landform that extends above the surrounding terrain[image]

Any area of land smaller than a continent and entirely surrounded by water

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An ... is a narrow strip of land connecting two larger land areas, usually with water on either side

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A ... is a shallow body of water separated from a larger body of water by barrier islands or reefs

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A ... is a body of relatively still liquid of considerable size, localized in a basin, that is surrounded by land apart from a river that serves to feed or drain the ... . they lie on land and are not part of the ocean are also larger and deeper than ponds

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a land formation, less extensive than a plateau, having steep walls and a relatively flat top and common in arid and semiarid parts of the southwestern U.S.

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A ... is a large landform that stretches above the surrounding land in a limited area, usually in the form of a peak. A ... is generally steeper than a hill. ... are formed through tectonic forces or volcanism

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A ... is a route through a mountain range or over a ridge. If following the lowest possible route, a pass is locally the highest point on that route.

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A ... is a geographic area containing numerous geologically related mountains

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In geography, an ... is an isolated area of vegetation in a desert, typically surrounding a spring or similar water source

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An ... is a body of saline water that composes much of a planet's hydrosphere

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the pointed top of a mountain or hill

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A ... is a piece of land that is bordered by water on three sides but connected to mainland

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In geography, a ... is a flat region. ... occur as lowlands and at the bottoms of valleys but also on plateaus or uplands at high elevations

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... is a city, town, or other place where ships load or unload

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A ... is a natural or artificial lake, storage pond or impoundment from a dam which is used to store water

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A ... is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another ...

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all the land drained by a river

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a large body of water partly or entirely surrounding land

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where a river begins

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A ... is a naturally formed, narrow, typically navigable waterway that connects two larger, navigable bodies of water

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The ... is the edge of the habitat at which trees are capable of growing. Beyond the tree line, trees cannot tolerate the environmental conditions (usually cold temperatures or lack of moisture)

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smaller stream that joins into another stream or river

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in geology, a ... or dale is a depression that is longer than it is wide. The terms U-shaped and V-shaped are descriptive terms of geography to characterize the form of ...

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A ... is an opening, or rupture, in the surface or crust of the Earth or a planetary mass object, which allows hot lava, volcanic ash and gases to escape from the magma chamber below the surface

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A ... is a place where water flows over a vertical drop in the course of a stream or river

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... was a supercontinent that existed during the late Paleozoic and early Mesozoic eras, forming approximately 300 million years ago. It began to break apart around 200 million years ago

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The biophysical environment is the surrounding of an organism or population, and includes the factors that have an influence in their survival, development and evolution

includes natural and manmade features