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As with all French rules, there are exceptions to article usage. In general, however, the rules are as follows: 

Definite Article: (le/la/l'/les- in English-"the")

-The definite ar...

London dispersion forces. These arise because: 1. Electrons within the halogen molecule are constantly moving and at any one instant there is an uneven distribution of electrons within the molecule. 2. Th...

All essays should begin and end with an introduction and conclusion, in which you declare your overall opinion on the subject. However, in-between, you should provide around 4-5 paragraphs in which you br...

Hoy en día las tasas de obesidad infantil está creciendo, como el número de las cadenas de comida rápida. Entonces, ?es verdad decir que la comida basura es la causa del aumento de la obesidad o simplemen...

We need to solve this inequality to find the value that x could be greater or less than. First, we need to find the smallest positive x value, which is 3x. Then, we minus 3x from both sides, so only one s...