Solve these clues to fill the grid.
- Tool for weighing things; also a set of musical notes
- 2 Across
- The angular distance between a point on any meridian and the prime meridian at Greenwich
- 6 Across
- The ratio of ___ in an area to the population of that area
- 8 Across
- The ratio of live ___ in an area to the population of that area
- 9 Across
- Unfair treatment of a person or group on the basis of prejudice
- 11 Across
- A story about mythical or supernatural beings or events
- 13 Across
- An imaginary line around the Earth forming the great circle that is equidistant from the north
- 14 Across
- Migration from a place
- 15 Across
- The natural world around us
- 16 Across
- All the plant life in a particular region or period
- 1 Down
- The extended spatial location of something
- 3 Down
- An imaginary line around the Earth parallel to the equator
- 4 Down
- Undesirable state of the natural environment being contaminated with harmful substances as
- 5 Down
- The commercial activity of transporting and selling goods from a producer to a consumer
- 7 Down
- Migration into a place
- 10 Down
- A periodic count of the population
- 12 Down