Which is the second biggest planet?
Saturn
Which is the planet with the slowest rotation?
Venus
Which is the longest river: the Mississipi, the Nile or the Amazon?
The Nile is the longest river
Which is the most intelligent animal: the chimpanzee, the gorilla or the dolphin?
The chimpanzee is the most intelligent animal
Which is the largest ocean?
The Pacific Ocean is the largest
Which is the planet with the fastest rotation?
Jupiter
Which is the closest planet to the sun?
Mercury
Which is the smallest planet?
Mercury
Which is the farthest planet from the sun?
Neptune
Which planet is bigger: Jupiter or Saturn?
Jupiter is bigger than Saturn (Jupiter is the biggest planet!)
Which is the smallest country: Vatican City, Monaco or Andorra?
Vatican City is the smallest country
Which is the hottest planet?
Venus
Which is higher: Mount Etna or Mont Blanc?
Mont Blanc is higher than Mount Etna
Which is the most spoken language: Spanish, English or Chinese?
Chinese is the most spoken language
Which planet is almost the same size as our planet?
Venus
Which is the coldest planet?
Neptune
Which planet is nearer the sun: Mars or Venus?
Venus is nearer the sun
Which is older: the Parthenon or the Colosseum?
The Parthenon is older than the Colosseum