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Decay functions are used to model a data value that is decreasing over time. They are used commonly to monitor the population decline of colonies of animals in scientific studies. They are also used to model the decay and half-life…
Tennessee is home to nine lizard species, which belong to the reptilian order squamata. The majority of the lizard species in the state fall under a category known as skinks. Tennessee’s lizards can be found in a variety of habitats…
The gravitational force exerted by both the sun and the moon causes the tides in the Earth’s bodies of water. Proximity to Earth means the moon is the predominant factor in determining the Earth’s tides because the moon exerts greater…
Tropical deserts are among the hottest and driest locations on the planet. The deserts of Baja California, such as the Senora, and the interior deserts of Mexico are considered tropical desert climates. Despite the harsh conditions that sometimes result in…
You might not think about turkeys until Thanksgiving Day comes around, but these game birds are pretty interesting. For instance, their process of mating and reproducing is intriguing considering they spend most of the year in separate male and female…
The two prokaryotic kingdoms are Eubacteria and Archaea. A prokaryote is a relatively simple single-celled organism; more complex organisms (including all multi-celled organisms) are eukaryotes. Previously, there had been only one kingdom of prokaryotes, known as Monera. However, as scientists…
A bar graph is a two-dimensional display of data in a bar format. This format allows you to compare characteristics and frequencies such as quantity and price between and within groups of data. Required bar graph titles include the name…
Eight countries, plus Antarctica, lie in polar zones — that is, they possess portions of land located within the Arctic or Antarctic circles. These invisible lines of latitude loop around the globe at approximately 66.5 degrees North and South, respectively.…
Subtraction is a mathematical technique by which an amount is taken away, or subtracted, from another amount. For example, in the subtraction sentence 15 – 8 = 7, 8 is taken away from 15, leaving 7. A subtraction sentence has…
Stratus and cumulus clouds are the two primary types of cloud structure, with each producing different types of weather. Stratiform clouds, also called stratus clouds, themselves come in four varieties: cirrostratus, altostratus, stratus and nimbostratus. Some of these stratus clouds…
