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River cliffs are features of meanders. In a meander the outside bank is where the Thalweg flows(fastest flowing part of the river), this means the velocity is greatest here so there is more available ener...

The conditional perfect, also called the past conditional (conditionnel passé), is used to express what would have happened. To form the conditional perfect, use the con...

The gradient is always the number in front of the x, in this case it will be 3. Whereas for the y-intercept, it will always be the value that y equates to when x=0, in this case the y-intercept is (0,4).<...

To do this question you would use the FOIL method. This is short for 'First, Outside, Inside, and Last'. First you multiply the first two values (the x's) from each bracket, then you multiply the outside ...

Diffusion is a passive process, this means that no energy is required, where there is a net movement of particles from an area of high concentration to an area of low concentration down the concentration ...