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In order to calculate how many rings are in an atom, you need to know how many electrons the atom has. The rings, also known as electron shells, can hold a variable amount of electrons depending on its shell number.…
Mold belongs to the kingdom Fungi along with delicious edible mushrooms and yeast, which is used to rise bread. Fungi are also important decomposers in ecosystems as they eat dead or decaying animal, plant and other organic matter. To reproduce,…
Cobras are a species of snake included in the Elapidae family, and like other venomous snakes in this family, are also known as Elapids. A cobra has a hood around its head that it “spreads” while hissing and rising into…
Very large and very small numbers written in standard form take up a large amount of space. They are hard to read and understand and are difficult to use in mathematics. One way to write a very large or very…
Pendulums have interesting properties that physicists use to describe other objects. For example, planetary orbit follows a similar pattern and swinging on a swing set may feel like you’re on a pendulum. These properties come from a series of laws…
The low rainfall and high rates of evaporation in desert landscapes combine to form a very dry, or arid, environment. Deserts receive the bulk of their annual rainfall during a single season, so desert biota must endure long drought periods.…
Square feet are widely used to measure area in the United States and a few other countries. While an area defined by a triangle can be calculated in a number of ways, the Heron’s Theorem (formula) allows you a straightforward…
Have you ever wished you could make a snack appear out of thin air? If you were a plant, this would be a snap! Plants are able to make their own food from sunlight, something even the most resourceful (and…
Horsepower is a unit of power, while kilowatt-hours is a unit of energy. To go from horsepower to kilowatt-hours, you need to know how long the power is being exerted. For example, a 100-horsepower engine running for five minutes would…
Ratios describe the relationship between two similar values, showing the number of times one value contains or is contained within the other. For example, the ratio of female students to male students is 4 to 1 means there are four…
