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Odysseus is a feminine hero due to the way he uses duplicity, lies and disguise rather than brute force in order to return home to Ithaca (also known as a 'nostos' - a journey with the goal returning home...

They are used to describe two different types time in the past. The imperfect is used largely to describe an ucompleted action (Estaba en el telefono cundo mi madre gritó) or an interruped action, a repea...

Formula for nth term in a geometric progression = ar^n-1

workings:  

a=12

r=1.5  because 18/12 = 1.5

Thus, using ar^n-1  -->   12 * 1.5^8 = 307.54... or 308 (to 3sf)

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The first thing to notice with this question is that the volume of the tank is given in cm³ yet the rate at which the water leaks is in litres, so a conversion of units will be neccessary. We k...

Calcium ions, which diffuse in from the sarcoplasmic reticulum, cause tropomyosin to shift which reveals the myosin binding site located on the actin filament allowing the myosin head to bind. A molecule ...