Relacionar Columnas Art Movements Matching GameVersión en línea Test your knowledge of art movements by matching them with their short descriptions! por Zhansaya Orazgalieva 1 In which year did many countries stop using some harmful chemicals affecting the ozone layer? 2 Which gas is mentioned as the main component of the ozone layer? 3 What is the ozone layer compared to in the text? 4 Why is the ozone layer important? 5 What event did scientists discover in the ozone layer in the 1980s? 6 What is ozone? 7 What do yo know about the hole in the ozone layer? 8 When did we find out about the hole in the ozone layer? In the 1980s A blanket I know that the hole in the ozone layer is over the Antarctic Large hole 1987 Ozone is a gas Ozone (O3) It filters out the harmful rays of the sun
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