Відповіді: Стр.69 (2)

2. Match the words below with the pictures a–d and the definitions 1–4.

smog – d, 2. a mixture of smoke and fog that is caused by cars and factories.

acid rain – c, 3. rain that has acid from pollution and harms plants and buildings.

oil spill – a, 1. the oil on the surface of the water which comes from ships.

toxic waste – b, 4. harmful materials that are not used any more, and are pumped into rivers, lakes and sea.