Complete the missing words. The first letter of each word is given. The tiger is an endangered species – there aren’t very many left in the world.
1 You can use r plastic to make many things such as furniture.
2 They are d batteries. You can only use them once, you can’t recharge them.
3 It’s possible that humans will d the environment completely.
4 The w from the factory has contaminated the water in the river.
5 You should s your rubbish if you care about the environment.
6 G w is a big problem for the environment nowadays.