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There are 6 different cases in Russian, lets go through the first one: 1) nominative (именительный падеж)- this is when the noun of a sentence is the subject of the sentence. So it answers the questions '...

Intro: define depreciation and economic performance

Analysis: depreciation leads to increase in exports (less expensive in comparison to foreign goods), and decrease in imports (more expensive in c...

These two tenses both express actions and states in the past. However, the imparfait should be used in cases of repetitive situations, a description or an action without a limited time frame. For instance...

the connections within the retina explain this. there is a different density and distribution of different types of cells in the retina - the fovea, in the centre of the eye, has a high density of cone ce...

Using integration by parts split it into v'=(1/x^3) and u=ln(x). v=-1/2x^2 and u'=1/x. Integral ln(x)/(x^3) = u*v - Integral u'*v = -ln(x)*1/2x^2 - 1/4x^2 + c