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The urban carbon footprint is the total set of greenhouse gas emissions emitted from a particular urban area, produced through activities such as primary footprint processes, eg. burning fossil fuels and ...

So for a 25 mark essay, being clear in your arguments is one of the most important things. You should start off with an introduction, this should include key definitions on the topic and an overview of th...

Description: Resource 6A shows a 500km chain of Hawaiian islands in the North Pacific, from the North-west (22oN 160oW) where the islands Niihau and Kauai are located, comprising of rock aged 5.2 and 4.7 ...

Begin by expansion (√a x √b = √ab): √3 x √30 = √90 and √3 x √8 = √24. Therfore we have: √90 + √24. Simplify roots (√a^2√b). The question tells us we need x√10 so therefore √90 = √9√10 (9x10 = 90) and we n...

8x + y - 6y - 5x= 8x - 5x + y - 6y= 3x - 5y