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Given the prevailing reformation of the balance of power in Europe due to the rise of nationalism and the ongoing Spanish Civil War from 1936-1939 which reflected a microcosm of interwar Europe, the Great...

Negative is a slightly confusing term, as it seems to imply that the control is bad, when in reality it is vital to being alive! Negative in this sense is used in a mathematical way, meaning "removin...

Before speciation occurs we have a population of individuals of the same species that can freely and successfuly mate with each other. In allopatric speciation a geographical barrier forms (a mountain ran...

The best way to approach this is to skim-read the piece first, highlighting/making a note of what you think are the most important concepts or issues raised. Don't stress if you don't understand some of t...

Vertcal component of velocity: 20Sin(30)

Rearrange suvat equation for t in terms of u, a, s

t is the time in the air and is what we want, u is 20sin(30), a is -9.81 (negative since gravity p...