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Most people know that if they leave bread out for a long time, it will begin to grow mold. However, they may not know much about what mold is, how it forms or why. There are different types of bread…
The Earth has several regions that can share common climactic and biological characteristics. These regions are called biomes. Grasslands are one type of biome, characterized by a lack of trees, but still abundant vegetation and animal life. Plants and animals…
Longitude and latitude are tools that pinpoint any location on Earth. With the dawn of GPS systems and smartphone maps, it’s not as common to map out locations using long numerical coordinates. But the latitude and longitude system is the…
In geometry, the bottom of a three-dimensional object is called a base – if the top of the solid is parallel to the bottom it is also called a base. Since bases occupy a single plane, they have only two…
The pH scale, which ranges from 0 to 14, tells you how acidic or alkaline a solution is. A pH lower than 7 is acidic, while a pH higher than 7 is alkaline. In mathematical terms, pH is the negative…
Knowing how to find a fraction of a number is a handy skill for home project measurements, reducing recipes or calculating discounts. You can find two-thirds of a number using either fractions or decimals. Remember that “of” in a math…
The point of an experiment is to help define the cause and effect relationships between components of a natural process or reaction. The factors that can change value during an experiment or between experiments, such as water temperature, are called…
Inches and centimeters are both units of linear measurement. Inches are used in the American system, which is sometimes referred to as the English system. Centimeters are a unit of measurement in the metric system. American System In the United…
Life is difficult in the tundra, the coldest type of climate on Earth. Brief summers, long winters, brutal winds, little precipitation and bone-chilling temperatures limit the plants and animals that can survive in the tundra, but those that do are…
To solve isotopic abundance problems, the average atomic mass of the given element and an algebraic formula are used. Here is how you can do these types of problems. Relative Abundance Chemistry The relative abundance definition in chemistry is the…
