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Encore aujourd'hui, Internet reste l'une des plus grande creation humaine. Elle ouvre une multitude de portes et de possibilités, permet un monde ouvert et connecté en favorisant l'échange et le contact. ...

The first step is the draw out the molecules in question to understand what is happening in the reaction. You can see that the bromine atom has been substituted for an alcohol group (OH) in the enthane mo...

The imperfect tense is used for actions that were repeated in the past or to describe a state in the past. eg. when I was younger I used to dance - cuando era pequena bailaba. the preterite tense is used ...

A hypothesis test can be thought of as being somewhat similar to a court case. In a court case, we want to find out whether someone is either guilty, or not guilty, so we assume that they are not guilty, ...

An action potential is the signal neurons use to communicate with each other. It is caused by the rapid opening of sodium channels and influx of sodium ions. Because at rest the inside of the neuron is ne...