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Both alkanes and alkenes are hydrocarbons, meaning they are made up of hydrogen and carbon only. However, alkanes are saturated hydrocarbons consisting of single bonds only whereas alkenes are unsaturated...
So first you need to recognise that you are able to take 2x out of both the numerator and denominator of the fraction:(72x3 - 18x)/(12x2 - 6x) = 0 ---> (2x (36x2 - 9))/ (2x (6x - 3)) = 0 ,...
Usually, possessive adjectives agree with the noun that comes after them. For example, we would say 'mon frère' for 'my brother', but 'ma soeur' for 'my sister'. However, when a feminine wor...
It's best to think of these two verbs as completely separate in Spanish even though they both translate as 'to be'. SER You should keep in your mind that this is for more 'permanent' thingse.g. D<...
Both animal and plant cells have cytoplasm, a nucleus, cell membrane, mitochondria and ribosomes. In both animals and plants most cells are specialised and adapted for their function. Both cells can be vi...
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