Its gone now. But, you could give and take away points depending on your OWN reputation. A person with higher reputation points could give or take more reputation points from another person, than someone with a lower reputation. It kind of filters out the goodies and the baddies! So you know who to listen to!
yeah, I think the writer seemed to have changed it. I think they are only questions from end of term tests or something. GCSE questions would rarely ask questions of those sort, ESPECIALLY the English one! It always asks for an essay on something!
if you had all the time in the world! Scratching just means making a tiny 'trench' on the surface. This means that some of the atoms have been rubbed away. So, if you had all the time in the world, you could, in effect change it to dust!
... The bonds all meet at equal angles and are of teh same size. There are no 'weak points' . This way, it makes the diamond very hard. But, the other form of carbon (Graphite) is pretty soft. This is becuase there are strong points and weak points. The weak points are always the first to break!
That can't e possible as Sulphur dioxide is a gas. If it is put in running water it will turn into sulphurous acid. However, if the sulphur dioxide oxidises into sulphur trioxide, then sulphuric acid would be formed.
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