Terrestrial biomes: Temperate grasslands
By: Dr Pandula Siribaddana
Biomes are considered one of the major habitats in the world and terrestrial biomes refers to those habitats established mainly on landmasses such as continents or islands. The term ‘temperate’ is used to designate a region falling between 23.5 degrees and 60 degrees...
By: Michael Totten
A tsunami is a massive wave produced by the sudden displacement of a large volume of water. It increases in height where the sea becomes shallower or narrower, such as many harbors. They are most commonly associated with subduction earthquakes, but can also have other...
By: B. W.
The Appalachian Mountains are a mountain range in Eastern North America that cross through a number of states and Canada. While most people have heard of the Appalachian Mountains, they have had both historical and geographic significance that has helped shape the formation of the...
By: Jose Juan Gutierrez
Desert plants and animals have developed special ways to survive. The methods that plants have developed in order to survive on the desert are known as adaptations. One common adaptation is the method of storing water in the roots, leaves and stems. Animals have developed...
By: Julie Thomas-Zucker
In temperate lakes, seasonal changes occur in temperature and density. The area includes most areas in North America, Europe and Asia along with the very tips of South America, Africa and Australia. These areas experience milder seasonal changes in temperature. Temperate lakes have three layers:...
By: Michael Totten
Natural gas liquids (NGLs) are playing a greater economic role than ever before. In 2010, domestic production of NGLs reached 2 million barrels per day. Major NGLs The 4 primary NGLs in the U.S. market are ethane, propane, butane, and iso-butane. Ethane accounts for...
By: Dr Pandula Siribaddana
In 1989, many Canadians living in the province of Quebec had to undergo a nine-hour power outage due to a disruption in the Hydro Quebec Grid. The cause was not manmade or was due to a common natural disaster, but was the result of an...
How desert plants and animals survive
By: Patricia Jankowski
Most people picture the desert as a dry, hot and empty sort of place, devoid of much life except perhaps the occasional rattlesnake or vulture. But this image of the desert is not really an accurate one. Because of nature’s amazing ability to create...
By: Lillian Henry
There are really two basic types of aquatic zones, or biomes: marine and freshwater. These two biomes are divided even further into smaller zones. While the marine biome carries a higher salinity content than the freshwater biome, both biomes support a wide variety of plant...
By: Hai Shunxi
Obsidian is natural glass created by rapid cooling of molten rock, or magma, associated with volcanoes. This "chilling" prevents crystallization of the minerals that make up most other rocks formed by volcanic activity. As a result, obsidian does not have a grainy appearance like other...

 

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