Uddrag fra opgaven
Head topic: Green IssuesMy topic: The battle for the sand1. Why did I choose this topic? Worldwide problem Inspiring documentary The greedy world 2. Why is sand so important? not unlimited resource Toothpaste, vine, cleaning products, paper, cosmetic, microchips, buildings Melt and transforming in to glass Quartz sand – glass, microchips Sand+cement = concrete – low cost, strong Normal house – 200 tons Power plant – 12 million tons 3. Sand wars Criminal stolen sand – use donkey Sand Mafia’s Singapore - expand coastline Underwater dredging Sand = first link in the food chain 25 Indonesian islands – disappeared salt
Få fri adgang for at læse hele teksten og downloade ubegrænset.
Få fri adgang