4. Read the texts and write down the names. a) The Earth is the only planet where people can live. It has six different continents. The biggest continent is ______. It has 2 parts — Europe and Asia. There are about 5,000,000,000 people on the Earth. b) The most famous lake in the world is Lake Baikal. The most popular languages are Russian, Chinese and English. c) People don't live there, but scientists do research there. The biggest desert is ______. People don't live in Antarctica, but scientists do research there. The biggest ice-covered part of this continent is ______. d) The population of North America is about 617,234,500 people. The population of this continent is 24% smaller than the population of North America. The population of this continent is about 440,484,430. The population of this continent is about 617,234,500 people. e) The population of North America is about 617,234,500 people. The population of this continent is 24% smaller than the population of North America. The population of this continent is about 440,484,430. The population of this continent is about 617,234,500 people. The population of this continent is about 1,582,851,900 people. There are the Sahara Desert, the Nile River, the Congo River and Lake Victoria. The most popular languages are Arabic and Swahili. f) Next one is both continent and country. Its population is 28,292,140 people. There’s the Great Victoria Desert, the Murray River, Lake Eyre and Lake Hillier. This lake is the most unusual, it’s pink. The most popular language is Australian English.