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Though a simple component of any basic chemistry course, chemical formulas provide vital information about ions and compounds, and subscripts are just as important as the elements themselves. For example, the subscript and what it represents is what distinguishes the…
In mathematical terms, area is a way of measuring two-dimensional surfaces. For example, a square inch — the most basic unit of measurement for area in the United States — is literally a square that is one inch long by…
Even dedicated animal lovers may have their patience tested by one unusual aspect of the bird kingdom: the attraction some species of bird hold for shiny objects, such as jewelry. This attraction can lead birds to enter a house or…
Scientists have identified nine subspecies of giraffe that live in different areas and are differentiated by their different patterns. Color variations between the species depend on their habitat as well as their food source. Giraffes can range in color from…
When a small, brown-colored insect scutters around the dark corner of your closet or flees when you’re moving old boxes, you might wonder – was that a cricket or cockroach? Though they have a few distinct differences, crickets and cockroaches…
Three types of metals interact with magnetic fields: ferromagnetic, paramagnetic and diamagnetic metals. Ferromagnetic metals are strongly attracted to magnets; the rest are not. Magnets also attract paramagnetic metals, but very weakly. Diamagnetic metals repel the magnet, though the force…
Diameter is the length of a line touching two points on a circle that passes through the center. Diameter exists only for circular, or for circle-based objects like a sphere or cylinder, thus the width and length should always be…
How long is that line? How wide is that suitcase? Will that box fit on this shelf? Questions like that are one of the few things you can’t necessarily Google an answer to nowadays. But they can be solved with…
A horizontal tangent line is a mathematical feature on a graph, located where a function’s derivative is zero. This is because, by definition, the derivative gives the slope of the tangent line. Horizontal lines have a slope of zero. Therefore,…
In a parallel electrical circuit, the current splits into multiple branching paths. The multiple current paths come either from multiple power sources flowing to a single output, or one power source running to multiple outputs. The branching nature of the…
