By: Sarah Cagle
Canyons are deep gouges in the Earth characterized by steep sides and a narrow base. These landforms can be massive, occupying miles of territory. Canyons are usually much deeper and more difficult to access than ravines or other deep landforms. One of the best and...
By: Gioia Degenaars
The tides of large bodies of water and the ocean are caused mostly due to gravitational pull of the moon and partially due to gravitational pull from the sun. As the Earth rotates and spins on its axis it gets closer to the sun during...
By: Omar Salvador
The Grand Canyon is an overwhelmingly imposing chasm that seem to creep in the middle of the Arizona Desert. It is approximately 277 miles (446 kilometers) long, about 18 miles (29 kilometers) wide, and plunges to an average depth of 1 mile (1.61 kilometers)...
By: Catherine Duffy
The United States Department of Agriculture employs soil scientists to survey soil conditions throughout the United States. This information is valuable in determining the best crops for the location as well as for monitoring changes in soil textures and make up after severe flooding or...
A description of the continental shelf
By: Catherine Duffy
Along the edge of each continent is a sloping, subsurface earthen mass extending from the continent's terrestrial base. This area, known as the continental shelf, provides an environment hospitable to fish and plant life. The area is also home to energy sources like natural gas...
By: Blaise Pascal
Gorges are a very interesting physical feature of the earth’s surface. They are usually deep openings between higher ground elevations that typically have a river flowing through them. The sides of the gorge are usually steep and the width of a gorge is usually...
By: Allen Teal
The churning of the great bodies of water on the earth is a vital part of the health of the planet. As the ocean’s water rises and falls with the ebb and flow of the tides, nutrients are stirred about to keep them distributed...
Why tides rise and fall
By: William O'Neal Stringer
"Tides are created because the Earth and the moon are attracted to each other, just like magnets are attracted to each other." By Keith Cooley. The surface of the ocean will rise and fall in a predictable manner according to the position of the...
By: Anosha Tariq
The thin layer on the surface of the earth, on which the terrestrial living beings survive, is called soil. This layer of material holds the roots of plants. These plants grow by absorbing water and required nutrients from the soil. The plants are consumed by...
Types of soils
By: ek ellis
Soil is defined by Answers.com as a “top layer of land, the top layer of most of the Earth's land surface, consisting of the unconsolidated products of rock erosion and organic decay, along with bacteria and fungi”. There are many variations of soil...

 

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