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Osmosis is the passive movement of water molecules down their concentration gradient across a partially permeable membrane. In plant cells, water moves via osmosis into the vacuole of the cell. The osmotic p...

Tackling an unseen prose passage and having to write an essay about it can be daunting, namely because there is usually a lot of text and a lot more to read than if it is a poem. Opening an exam paper and se...

The preterite is used to explain something in the past which has a definite beginning and ending such as ‘Ayer, fui a la playa’ meaning yesterday I went to the beach. The time phrase indicates that the actio...

To produce a convincing argument, you must also produce good research behind it. This research could be evidence from the text you are using to build your argument and it could also be other people's ideas, ...

Deforestation, in the Amazon for example, dramatically decreases the amount of water intercepted by the forest canopy (type of storage), leading to increased surface run-off and thus river discharge (an outp...