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The imperfect tense for all regular verbs in this tense is created by removing the ar/er/ir endings from the infinitive and adding the appropriate endings depending on the subject of the sentence (I, you,...

When a question asks us to solve an equation, it is asking us to find the value of x. We need to rearrange so that x is on one side of the equals sign, and everything else is on the other. First, we need ...

Market structures are models used by economists to represent the conditions of the market of particular goods. The answer to the question lies in one of the assumption to be made in the model of perfect c...

The SAN (pacemaker) sends a wave of excitation across both atria. This triggers atrial systole, where both atria contract simultaneously. There is a time delay at the AV Node which al...

Inflation is a sustained increase in the general price level leading to a fall in the purchasing power or value of money. The rate of inflation is measured by the annual percentage increase in the level o...