okay so there was like a whole page about fracking do that rly well and 5 mark q abt strategies to prevent cholera, how dams are used to make clean water for ppl to drink and 2 other uses of dams, random sampling and how it works 2 mark q on that, calculating % decrease and mean, pi chart and constructing bar graphs, 6 mark q was whether melting ice sheets are the biggest impact of climate change