By: Alainna DePoalo
All rivers are parts of a larger system called a watershed, where a river and its branches drain land. Rivers are better defined as large, natural streams flowing through channels draining into even larger water bodies. All rivers are different, but they are comprised of...
By: Norman Green
All rocks are aggregates of minerals, and are classified as either of igneous, sedimentary or metamorphic origin. Sedimentary rocks are formed when minerals are deposited and then accumulate to form the rock. The type and characteristic of each sedimentary rock depends upon its mineral content...
By: Darren Owen
The geology of the earth can be a fascinating subject for people to study. Formed from the remains of other eroded rocks, sedimentary rocks have been studied ever since geology began. Only about 5% of the earth’s lithosphere is sedimentary but because they are...
By: Lenna Gonya
Rivers are more than just water rolling along between two earthen banks. They are worlds of their own, with very special attributes, properties, and associated features. Anyone who lives near a major river system knows that they often seem to be very complex, and sometimes...
Common uses for limestone
By: B. J. Deming
Limestone is a calcium-based rock that has many uses in daily life. As a construction stone, it may decorate the facade of the office building or school that you are sitting in right now, and form the retaining wall around its parking garage and lawn...
A guide to active volcanoes around the world
By: B. J. Deming
Some of the most beautiful places in the world owe their existence to volcanoes. The lush greenery of Hawaii, for instance, thrives in soil that formed in fire, as the incandescent glow from Kilauea’s ongoing eruption reminds us. Eruptions that are more explosive, like...
By: B. J. Deming
Volcanic rocks are useful in many ways, but it can be difficult to tell them apart. Pumice, for instance, is that light-colored rock that’s full of holes and floats on water. Scoria, the geologist’s name for cinder rock, is dark-colored, also full of...
The importance of ocean heat content
By: Robert Hoglund
Ocean heat content refers to the amount of heat that the Earth's oceans store. During the last part of the 20th century, scientists and conservationists became concerned with ocean temperatures, suspecting the world's oceans were warming up. Today, ocean heat content measurements are an essential...
By: Robert Hoglund
Wildfires are very detrimental to the environment and often destroy anything in their way. They burn down property and ravage wildlife areas, taking lives in the process. Sadly, wildfires are deadly and account for the deaths of many people and animals. These fires often start...
Hazards of the hurricanes
By: Lisa Herskowitz
The hazards of a hurricane can vary depending on whether you are inland, near the shore, on a boat on the ocean or on a boat on a lake or river. Although some of the hazards are common to all or more than one venue...

 

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