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The intensity of light is greater on a sunny day, therefore the rate of photosynthesis in the pondweed is greater during these days. Hence, more oxygen is produced which thereby increases the bouyancy (ma...

One of the biggest steps up from GCSE to A-Level is the way in which you structure your essays. A-Level examiners expect you to be able to lay out coherent arguments in order to achieve the top grades, as...

Income elasticity of demand (YED) is the relationship between a change in quantity demanded for a good and the change in real income. some goods are normal and some inferior. Normal means a rise in income...

Uno de los problemas medioambientales más importantes al que se enfrenta España hoy en día es la contaminación debido al tráfico, especialmente en la capital. En Madrid, la contaminación del aire supera l...

1st step; Free Radical Subsitituition Start using Ethane UV light Chlorine/Bromine/Flourine used To prevent further subsitituiton, add and excess of Ethane.

2nd step; Nucleophilic Substutition Reac...