By: Collin Richards
Along the Northeastern US and parts of Canada is a low lying, rugged, and vast mountain range called the Appalachian Mountains. This ancient mountain range isn't famous for extremely tall mountains, but it is significant because it covers a large area of over 700,000...
By: Julie Thomas-Zucker
Three main life zones exist in freshwater: the epilimnion, the hypolimnion and the thermocline. The epilimnion is a shallow area where small fish, marine animals and plants, and amphibians live. The hypolimnion is deep water where fish live. Plants do not live well here. Thermocline...
Description of how a solar wind can affect the earth
By: J. Lang Wood
The solar wind is a phenomenon that occurs in space. The wind originates on the surface of the Sun when energy escapes the corona and is blown through space to the Earth’s atmosphere. The particles are strongly charged from the heat and pressure of...
By: Colette Georgii
Freshwater inland wetlands are environmentally and ecologically important for people, animals, fish, and birds. Due to excessive development in the wetlands many natural flood-control methods have been lost. It is really important that all people understand that wetlands are important to the survival of humans...
By: Dr. Bryan Katz
For centuries, people have drawn a connection between the orbit of the moon and ocean tides. As the moon completes its monthly orbit around the Earth, it rises about 50 minutes later each day. Not coincidentally, the times of high and low tide also shift...
Description of how a solar wind can affect the earth
By: Michael Totten
The solar wind is a constant stream of loose electrons and positrons (beta rays), as well as other charged particles, all of which originate from the Sun. This is distinct from sunshine, which consists of electromagnetic radiation. What is the solar wind made of? Beta...
By: Brian Kenny
The term "dry lightning" is heard quite a bit during dry, hot months. Residents of western U.S. states are very familiar with the term. Summer time news stories are full of wild fires started by dry lightning. But what is dry lightning? Why are...
By: Jose Juan Gutierrez
The ocean is divided into two main aquatic life zones: the pelagic and the benthic zones. Both of these life zones can sustain life. The vertical dimension of an aquatic system is known as the water column. The physical characteristics comprising a water column include...
The varieties of obsidian
By: Andrea Theisson
Obsidian is an igneous rock, formed when lava cools very quickly, which disallows the formation of any crystalline structures. Vitreous, it is a glass-like rock which takes several forms depending upon the minerals in the base. It is extremely durable and known for keeping an...
By: Patrick Sills
Back in 1957, the former Soviet Union became the first nation to launch an artificial satellite into orbit around the earth. Since that time, tens of thousands of such objects have been launched into orbit. Along the way, many orbits of these satellites have decayed...

 

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