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To solve differential equations we use a method called separation of variables. This is where we take all the ‘y’ values to one side of the equation and all the ‘x’ values to the other side of the equation m...

Analysing historical sources can be daunting. But it need not be. Try asking yourself a series of questions every time you are presented with a source. Some of them might sound obvious, but it even obvious t...

The most important difference between these two types of organisms is that Eukaryotes possess a cell nucleus to store DNA, the cells genetic information, whereas Prokaryotic DNA is free flowing in the cytopl...

There are certain general rules for these auxiliary verbs: verbs that take on a direct object usually use 'AVERE'. Instead verbs that do not take a direct object but rather refer to a movement or state of be...

You need to combine the auxiliary form of the verb 'essere' with a past participle.