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Source based essays are ones in which your own opinion shouldn't be the predominant aspect of your answer. In the introduction you should briefly identify the main points of each source, without giving aw...

Diminishing marginal returns is a situation where the addition of one unit of a variable input increases output by less than the addition of the previous unit (i.e. declining marginal physical product). A...

Lets consider a skydiver jumping from an airplane. Once the skydiver has let go of the plane they are pulled towards the earth due to gravity.

By Newton’s second law:

F = ma,

the sky ...

A transition metal complex is a central metal ion (for example platinum) surrounded by ligands.  Ligands are ions or small molecules that donate a pair of electrons to the central metal ion and surround i...

The first stage in the formation of a sedimentary rock is the deposition of sediment. The size, shape and type of sediment can tell you lots about the depositional environment.

In a high energy env...