Answer each question, using a word or expression given below. One word is extra.1. What is the name for a special layer in the Earth’s atmosphere which helps protect our planet? пусто 2. What word can be used to describe the increasing contact between countries that has a major impact on life today? пусто 3. What causes problems because it is difficult to dispose of safely? пусто 4. What have scientists shown to be melting worryingly fast at the North and South Poles? пусто 5. What does the chemical symbol CO2 represent? пусто 6. What has been happening in the Amazon area and in other tropical areas like Indonesia and Malaysia? пусто 7. What problem is a type of air pollution? пусто 8. What can cause harm to plant or other life when it falls on the land or sea? пусто 9. What is the Siberian tiger an example of? пусто 10. What has caused much plant and animal life in rivers in industrial areas to die out? пусто 11. What is the term for the phenomenon describing the rise in the Earth’s average temperature? пусто