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The electromagnetic spectrum includes a variety of radio waves, set at specific frequency bands which allow for radio, television, microwave and other types of transmissions across these bands. Each of these frequencies consist of a packet of charged photons which…
Water is a solvent, meaning it is a liquid that dissolves substances. Any substance that dissolves is called the solute, and the mixture created when the solvent and solute completely combine and do not separate is called a solution. Water…
Finding animal tracks in the snow can alert you to what kind of creatures may be visiting your neighborhood. Fox prints are fairly common throughout their natural range, which includes most of North America, even in urban and suburban settings.…
Plants, like people, need a certain amount of salt to survive, but too much can be poisonous. Most plants can tolerate saltwater on their leaves and stems, but they will dehydrate if they drink saltwater from the soil. Even if…
Clover is a common sight along roadsides and in pastures across the U.S. and Europe. While there are many species of clover, all share a few basic traits. Clover always comes in leaves of three, giving its genus the name…
Engineers often measure or calculate pressure in metric units. The unit for pressure is the Pascal, or one newton of force per square meter of area. Converting pressure to kiloPascals (kPa), which equals 1,000 Pascals, will abbreviate large pressure values.…
Earth is called the blue planet because of the vast oceans covering a majority of its surface. The oceans are home to many marine plants and animals, ranging from microscopic unicellular organisms to gigantic seaweeds. Marine plants play an important…
Eagles are from the same taxonomic family as another common bird of prey, the hawk. While the bald eagle is well known as a symbol of the United States, the golden eagle, found in North America, Europe, North Africa and…
Volume is a measurement of how much space is occupied by a substance. An average is a mathematical mean of a set of numbers, which you find by adding the numbers and dividing the total by the number of measurements…
Humans fill the Earth with a population of over 7 billion individuals around the world. However, the amount of humans come nowhere close to the ubiquitous nature of microorganisms. Microorganisms are ubiquitous. Microbiologists have located them almost everywhere on the…
