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'Il faut' is an impersonal expression used to show necessity. In fact, it can be translated as 'it is necessary to'. As it is formed through the verb 'falloir', it has many different tenses. In case the s...

'Por'  mainly indicates the cause, the reason why something happened. However, it is also used to express an amount of time, an approximate place, the price of an item, the means through which something h...

The imperfetto is used to express either habits, actions that lasted a long time in the past or actions that are repeated in the past. It is usually followed or preceded by expressions that indicate that ...

All enzymes have an optimum temperature, at which rate of reaction/catalysis is fastest. Any deviation from the optimum temperature will slow down rate of reaction.

Like most chemical reactions, an...

"La mia famiglia è abbastanza numerosa. Vivo in casa con i mie genitori e le mie due sorelle. Mio papà si chiama Giovanni e ha 52 anni e lavora come muratore. Mia mamma si chiama Rossella e ha 47 ann...