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Statistics presents information in a useful manner that is easily understood by people. It’s more difficult for a person to comprehend larger numbers such as 2,200 out of 6,600, but if you told him 1 out of 3 instead, he…
Life depends on the water cycle, which includes condensation, evaporation and precipitation. Without condensation, there would be no clouds, or the rain, snow and hail they produce. Condensation is what happens when water vapor changes from a gaseous to a…
Orion may be the most recognizable constellation in the sky, with the possible exception of the Big Dipper stars. For one thing, it’s visible practically everywhere on Earth. For another, Orion has a highly distinctive shape, and unlike many other…
The octagon is an eight-sided polygon that has eight angles. Although few objects come standardized as an octagon, it is not difficult to find octagons in everyday life. If you look around your home, chances are you will find something…
An ecosystem is defined as a complex of living organisms, their physical environment – which includes rocks, minerals, soils, sunlight, water, climate and other abiotic factors – and the interrelationships between them within a given area. An ecosystem can exist…
Electrical energy is used throughout the world to power devices, appliances and methods of transportation utilized in daily life. To make things operate, electrical energy must be emitted from energy sources such as power plants, to enable an object to…
Paramagnetic species are everywhere. In the right setting, and voiced in a properly somber tone, that phrase could summon images of strange alien invaders running amok all over the globe. Instead, it is a basic statement about a certain quality…
If you want to gauge the pressure you are under, or within you, then you have a variety of metrics to measure it by. Millimeters of mercury (mmHg) is a unit of pressure typically used in measuring blood pressure. The…
The pH of a solution is a measure of the hydrogen ions, or protons, present in that solution. Because acids are proton donors, in everyday terms, you can say that a solution containing a “strong acid” (that is, an acid…
Rectangular prisms are six-sided polygons; three-dimensional shapes of which all sides meet at 90-degree angles, like a box. Cubes are a special type of rectangular prism of which all sides are the same length; this is the key difference between…
