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At destructive plate margins, oceanic crust subducts beneath continental crust. In this zone of subduction a lot of friction is created as the plates move alongside each other. Over time, the build up of fri...

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 negat...

To solve this question you need to find a value of x and y which satisfies both of the equations. Simultaneous equations can be solved by three methods: substitution, elimination, and graphically. We will us...

Let the lines be: r 1 = (a, b, c) + t(d, e, f) r 2 = (g, h, i) + s(j, k, l) Since t and s above are variables and the rest of the letters are constants, the only way to change the point which the vector equa...

the perfect tense, le passé composé, expresses completed actions in the past. It is composed of -the auxiliary verb (avoir ou être) conjugated in the present tense - followed by the past participle of the ve...