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What I like to do first is to read the passage and then go line for line and interpret what the author is trying to convey. First comment on the language and then on the deeper content. This can be esp...

The rate of a reaction is affected by the concentration of the reactants, the action of a catalyst and the temperature. If we change the concentration of the reactantants, the reaction rate is going to ch...

Approach:

What I like to do first is to analyze the essay question, what they are asking for and how you should write down the information needed. A...

Definite articles are used when we talk about something specific. There are four definite articles: La (femenine, singular), Las (femenine, plural), El (masculine, singular), Los (masculine, plural). For ...

We start off by drawing attention to the first number in the question, 12. The number can be broken down into multiples by dividing it by the lowest number (that isn't 1): This breakdown is as follows:...