Search over 10,000 free study notes

Hard engineering is artificial, expensive and large scale coastal defences, where as soft engineering is more "in tune" with the environment and is considered ecologically friendly by using more...

Sedimentary rocks are those that are formed by the weathering or breaking down of pre-existing rocks that then get laid down and lithified in layers such as sandstone. Igneous rocks are formed by tectonic...

The two lines are parallel if they have the same gradient, so for a line in the form y=mx+c, m of the two lines must be the same.Line 1 is already in this form so we need to rearrange line 2 to be in this...

Solved by differentiation with respect to x,i) dy/dx = 2x - 2 - 12x^(-1/2)ii) d^2y/dx^2 = 2 + 6*x^(-3/2)