| Number of Questions: | 10 |
| Estimated Time (in minutes): | 2.5 |
| Type | Multiple Choice |
A healthy person has 6,000 million, million, million haemoglobin molecules.
The Earth is 4.56 billion years old…the same age as the Moon and the Sun.
A quarter of the world's plants are threatened with extinction by the year 2010.
The short-nosed Bandicoot has a gestation period of only 12 days.
The largest galexies contain a million, million stars.
90% of those who die from hurricanes die from drowning.
The wingspan of a Boeing 747 is longer than the Wright brother's first flight.
The largest desert in the world, the Sahara, is 3,500,000 square miles.