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In general, the imperfecto is used to talk about past actions, conditions, or what you would consider background information. It can also be used to describe events that occured repeatedly or habitually o...
Explicit = obvious meaning. Implicit = unobvious meaning. So if something was explicit in a text, it means that the information is clearly stated for you. E.g. Josh w...
We have values for the mass and the acceleration of the van, so we can work out the resultant force acting on it using Newton’s second law: Fr = ma Fr = 2150 x 3 = 6450N Driving fo...
Reduction: loss of oxygen (or gain of electrons)
As 3 2 is equivalent to (-3)2 it follows that the square root of 9 must be + or -3.
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