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Erosion is the process of wearing away the rock and soil found along the river bed and banks.  Erorsion also occurs through the breaing down of the rock particles which are being carried away by the river...

Families are considered to be the most important agents of primary socialisation.  Chiildren are most often heavily ependent on their families to carry out their basic needs (feeding, cleaning etc.).

The best way to remember the difference between independent and dependent variables is when you are conducting an experiment you are looking to see if one variable (the independent variable) has an effect...

1. x² + 15 x + 50 = 0 (rearrange by adding 50 to both sides)

2. (x + 10)(x + 5) = 0 (factorise the quadratic equation)

3. x + 10 = 0 or x + 5 = 0 (for the a...

Key Equation: Q = mcΔT Where: Q = heat transferred (J), m = mass of substance which is heated (g), c = heat capacity of water (J g^-...