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The 3 Types of Natural Selection

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Natural selection is defined as a process or a “force” that allows for organisms better adapted to their environment to better survive and produce more offspring. The theory of natural selection was first founded by Charles Darwin. The process of natural selection is important and is a driving force for evolution. For organisms to evolve,…

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The Pythagorean Theorem

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Triangles are an important shape that come up all over the place in life, which is why trigonometry is one of the most important fields of mathematics. Pythagorean theorem is incredibly important for many different real life applications, such as architecture, construction, navigation, and surveying. Pythagorean Theorem allows us to calculate the side lengths of…

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The Circulatory System

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There are multiple organ systems in the human body that work together to keep us alive. One of these systems is the circulatory system. The major components of the circulatory system are blood, blood vessels, and the heart. The main function of the circulatory system is to transport nutrients and gases throughout the body so cells…

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Types of Chemical Reactions

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There are various types of chemical reactions that occur in chemistry, but many reactions tend to follow 1 of 5 main types. Becoming familiar with these types of chemical reactions will be the catalyst the speeds up your understanding of chemistry! The following are the 5 main types of reactions: Synthesis A synthesis reaction is…

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Population Genetics: The Hardy-Weinberg Equilibrium

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The Hardy-Weinberg equilibrium is a model that proposes allele (variations of a gene) and genotype (genetic makeup) frequencies within a population remain constant when the population is in equilibrium. If in equilibrium, were are able to calculate the allele and genotype frequencies for these populations. For a population to be defined as being in “Hardy-Weinberg…

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Le Passé Composé: IR, ER, RE

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There are three main parts to the past tense in French. The following formula represents these three parts: Le sujet + L’auxiliaire + Le participe passé Le Sujet When you compose a sentence, a subject is usually included. The subject is the person(s) and/or thing that is performing the action/verb. In French, these are the common…

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Mitosis: From a Mother to Twins

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Mitosis is a form of cell division that allows a mother cell to give rise to two daughter cells. The daughter cells are genetically identical to each other and to the mother cell. Mitosis involves nuclear division, where the duplicated DNA in the mother cell splits into two identical sets of chromosomes (one set for…

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Solving a System of Equations: Substitution and Elimination

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When dealing with a system of linear equations there are two methods to algebraically solve the question. One is substitution and the other is elimination which is meant to be a shortcut. Both methods will bring you to the same solution but with more practice, you will recognize patterns and see which method would work…

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Exceptional Verbs in French: Stem-Changing Verbs

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In the French language, there are several exceptions to look out for for when conjugating verbs and one of these exceptions include stem-changing verbs. Stem-changing verbs have two different stems/radicals when conjugated to the present form. Stem-changing verbs utilize the same endings as the regular -er verbs in the present form, however the stem varies…

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Balancing Chemical Equations

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Often in chemistry chemical reactions are written in an equation form using chemical symbols. The reactants of the chemical reactants are placed on the left hand side of the reaction and the products of the reaction are placed on the right hand side of the equation. The 2 sides of the equation is then connected…

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