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The number of hydrogen atoms inceases by 2. The formula for an alkane is always C(n)H(2n+2), So the number of hydrogen atoms is always 2 more than the double of carbon atoms. *^^*

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Q: How does the formula of an alkene change when you add an extra carbon atom?
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How is climate change a problem for the carbon cycle?

Global warming means there is extra carbon dioxide into the atmosphere. This is putting an extra strain on the carbon cycle, which is unable to remove all the extra carbon dioxide.


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The major cause of the change in levels is the burning of fossil fuels (coal, oil and natural gas). This releases extra carbon dioxide that has been hidden underground for millions of years, and it is this extra CO2 that is causing global warming.


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