Fill in: endangered, habiatas, surface, extinct, damaging, exploration, symbol, turning, exhaust, poisons 1. the of the red planet is rocky 2. now people are their attention to mars. 3 we learnt some very interesting facts about space 4. fumes pollute the air in big cities. 5. many animals are in danger of losing their natural 6. factory waste our lakes and rivers. 7. we should protect species. 8. what is the national of china? 9. some animals will become in the next few years 10. bad weathers is the old buildings пацаны