Brain teaser 4 We use faeces (dung) as a fertilizer to help our crops grow. So why worry about keeping it out of water and food? 1| 2|3|4|5| Next >>

What do you think the issues are here? And what is your initial opinion? Have a think about it and then click on the arrows for a few ideas. See how many issues you thought of and whether there are others you think are important.

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