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Single Indefinite Article Un/Une in French is in English what you would use as a/an: a bottle = une bouteille a mobile phone = un GSM an actress = une actrice<...
The most important thing when writing is strong argument is that you clearly state your argument in the introduction and build on this throughout the essay to finally come to a coherent conclusion back...
Work done (joules) = Force (newtons) x distance moved in direction of the force (metres)
Work done = 10 x 2 = 20J
Cold and low oxygen - minimises likelihood of organisms decaying
Ar of Magnesium = 24; Ar of Oxygen = 16
number of moles = mass divided by Ar
number of moles of Mg = 2.4/24 = 0.1
number of moles of Oxgen = 1.6/16 = 0.1
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