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Solving a Karnaugh Map can be very tricky as it requires a new type of thinking than you may be used to. I find the best method to solve a Karnaugh map to be setting it out as a table. Let's use the follo...

Start by providing a clear definition of the process, e.g. Gentrification is where deteriorated urban neighbourhoods are renovated and revitalised by the influx of more affluent residents...

Both tenses refer to actions in the past. With the passé composé, we use this to describe an action which was completed in the past at a specific moment.
For example: Je suis tombé (I fell)....

A vaccine is a weakened form of the disease causing bacteria injected in to the patient. The person then develops immunity to that bacteria and so when they are infected with the bacteria, they are able t...

The outer shell of electrons in metals are delocalised, meaning they are able to travel freely around the metal.

The negative electrons hold the positively charged metal ions together. The poo...