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The diaphragm contracts, moving downwards. The external intercostal muscles contract, and the internal intercostal muscles relax. Pressure in the chest cavity decreases, forcing air into the lungs. The di...

1)Multiply out the right hand side to give a common denominator: a= (Cf+de)/df2) Cross multiply to get rid of the denominator fda = cf + de3) bring all terms containing f to the same side and factorise fd...

To begin with we need to understand what a percentage is. It is simply a proportional that shows a number as parts of a hundred. So 30% is the same as saying 30/100 which can be simplified by dividing the...

Purpose clauses - A purpose clause contains the word 'ut' followed by the subjunctive and is translated as 'in order that' or 'in order to'
Result clauses - A result clause also contains the word 'ut...

Often, German speakers will use the simple present, alongside an adverbial of time. For instance: Morgen gehen wir schwimmen. (Tomorrow, we're going swimming). Or: Heute Abend gehen wir ins Kino. (This ev...