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Twelfth Night, by nature, is a play of the world being turned upside down. This notion manifests itself in the systematic degeneration of established constructs of the medieval era in which the play was f...

Embryonic growth requires cell division and the subsequent synthesis of new tissue. This invariably requires energy and raw materials to progress. Phosphate is an important component of ATP, which acts as...

Moving across a period the number of protons and neutrons that make up the nucleus of the element increases. The increase in the number of positively charged protons results in an increased nuclear charge...

The character of Sheila Birling changes and grow throughout the play. She begins as a very sheltered young woman in a well off family. This is exemplified in the initial stage directions where Preistly de...

def factorial(n):               if n == 1 or n == 0:                               return 1               else:                               return n * factorial(n-1)