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I am confused as to whether other oxides of nitrogen and sulfur is also present int the Antarctic ice-core drilling's findings. I thought only carbon dioxide was involved. Some sample answers related this to oxides of nitrogen and sulfur. I am confused. Can anyone clarify whether oxides of N and...

process information from secondary sources to summarise the processes involved in the industrial production of ethanol from sugar cane.

This is from 2009. I don't get it why they use horizontal component instead of vertical. Can someone explain part b ?

So I had this question come up in my trials. It's out of 2 marks. Jo: The Michelson-Morley Experiment was a good experiment. It was reliable and valid when it was done. Con: Well, it may have been reliable but it was not valid as it failed in its aim. Justify Jo's statement: (My...

So I've been comparing the Belonging essay from 2009 to 2011 (3 years and comparing with the rubric statements in the syallbus. For 2009, Relationships and Experiences For 2010, Acceptance and Understanding For 2011, Connections made with people and places. Therefore for 2012, these rubrics...

I am coming across a variety of Michelson Morley questions which are 3-5 marks. What's their aim for the experiment ? To test the presence of aether or to measure the speed of earth relative to aether ? Then is their experiment valid? What's the results of the experiment ? I can just say null...

So My formal is on November and I have already bought the blazer and pants. I am thinking whether to wear a tie or a bow tie. If tie, then a vest and a shirt would be needed. My question is, for bow tie, would a vest needed or just the shirt ? If yous have had your formal, what was the majority...

I am having problems with maths formulas. 2 units are all right, but the trig identities I keep forgetting after like 2 weeks or so after doing the questions. Does anyone have any formula sheets or somewhat like that ? I am gonna buy large papers and write the formulas in coloured pen :lol: and...