The EarthOnline version Choose the correct answers by anloki perez perez 1 How many inhabitants has the Earth got today? a Five thousand million people b Ten thousand million people c Seven thousand million people d Nine thousand five hundred million people 2 Which one of these animals are already extinct? a The white lion b Panda c The tasmanian devil d The iberic Lynx 3 Which one of these monuments belong to the seven world wonders? a Christ Redentor, Pisa Tower, Alhambra in Granada b The Coliseum in Rome, Machu Picchu, Taj Mahal c The Chinese Wall, Fontana di Trevi, Stonehenge d Petra in Jordania, Mohais statues in Pascua Island, Acropolis in Atheneas 4 Which are the components of the atmosphere? a Nitrogen,oxigen and others b Hidrogen, oxigen, nikel c Oxigen, pothasio and argon d Hidrogen, nitrogen and oxigen 5 How did the actual continents come to exist? a When the Pangea was divided b Because of the Big Bang c Due to a metheorit d They have always been like they are now