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The perfect tense is used for completed actions in the past, for example, 'I played'- 'j'ai joué'To form the perfect tense, we need a subject (a noun, name, or pronoun - je, tu,...
3x + 5y = 14 (times this entire equation by 3) --> 9x + 15y = 42 4x + 3y = 4 (times this entire equation by 5) --> 20x + 15y = 20Now both of the simultaneous equations have 15y, so you can subtract ...
Cracking is when large hydrocarbon molecules are broken down into smaller ones using a catalyst - one alkane and one alkene are formed.Alkanes are hydrocarbons with only single bonds.Alkenes have one doub...
India is an example of an NEE, a newly emerging economy, this is due to the rapid rural to urban migration that has been taking place. One of the biggest problems with people moving from rural areas to ur...
Abortion is a complex issue within today's world, with conflicting views on the acceptance or dismissal of the procedure. There are many powerful arguments for and against abortion. A pro-choice approach ...
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