Across
- 2. any of the world's main continuous expanses of land (Africa, Antarctica, Asia, Australia, Europe, North America, South America).
- 4. statements that can be proven true with evidence.
- 6. a number expressing the central or typical value in a set of data, in particular the mode, median, or (most commonly) the mean, which is calculated by dividing the sum of the values in the set by their number.
- 9. a piece of land surrounded by water.
- 11. the variety of life in the world or in a particular habitat or ecosystem.
Down
- 1. a large natural elevation of the earth's surface rising abruptly from the surrounding level; a large steep hill.
- 3. the planet on which we live; the world.
- 5. more than two but not many.
- 7. the customs, arts, social institutions, and achievements of a particular nation, people, or other social group.
- 8. a living organism that feeds on organic matter, typically having specialized sense organs and nervous system and able to respond rapidly to stimuli.
- 10. the structure forming the upper covering of a building or vehicle.