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During a solstice, which occurs around Dec. 21 and June 21 every year, the Earth’s axis is positioned relative to the sun such that one hemisphere is closest to the sun and the other is farthest from the sun. The…
Atoms are composed of three particles: protons, neutrons and electrons. The nucleus is composed of protons and neutrons, collectively referred to as nucleons, and have positive and neutral charges, respectively. Electrons are located around the nucleus and have a negative…
Fleas and flies are organisms that are both categorized in the scientific phylum Anthropoda, class Insecta. Also, fleas and flies are known to be carriers of disease to other animals and humans. However in spite of some similarities, fleas and…
The scientific method consists of a series of steps used by scientists to conduct experiments. The word “observation” has two meanings in the scientific method. First, there is the scientist’s observation of the world as it leads to hypothetical theory.…
Lipids are a class of molecules that have very poor water solubility, by definition. As such, the simplest answer to the question as to which lipids are water soluble is none of them. However, there are some lipids that, in…
The Fahrenheit and Celsius scales are the two most common temperature scales. However, the two scales use different measurements for the freezing and boiling points of water, and also use different sized degrees. To convert between Celsius and Fahrenheit you…
Coral reefs are vibrant ecosystems found in tropical salt waters of the world. In addition to fish, crustaceans and other marine animals, coral reefs provide habitat for certain aquatic plants. Learning about coral reef facts such as these can help…
In calculating the distance around a rectangular space, or the area the space takes up, you’ll first need to measure the length and the width of the space. The length is traditionally the longer of the two sides, and the…
Beta diversity measures the change in diversity of species from one environment to another. In simpler terms, it calculates the number of species that are not the same in two different environments. There are also indices which measure beta diversity…
Finding a percentage of a number is a handy skill that is useful in a wide variety of tasks, from finishing homework assignments to choosing reasonable sale prices at the store. Finding out how much 6 percent is of a…
