Solve these clues to fill the grid.
- Largest continent on Earth
- 3 Across
- The angular distance between a point on any meridian and the prime meridian at Greenwich
- 4 Across
- The natural world around us
- 6 Across
- A continent in the western hemisphere connected to North ___ by the Isthmus of Panama
- 9 Across
- A system of high tension cables by which electrical power is distributed throughout a region
- 11 Across
- Of or relating to the act of ___
- 13 Across
- A story about mythical or supernatural beings or events
- 14 Across
- Any living or extinct member of the family Hominidae characterized by superior intelligence
- 15 Across
- An imaginary line around the Earth parallel to the equator
- 1 Down
- A change of position that does not entail a change of location
- 2 Down
- A continent in the western hemisphere connected to South ___ by the Isthmus of Panama
- 5 Down
- Continent that includes France and Italy
- 6 Down
- Half of the terrestrial globe
- 7 Down
- A mathematical relation such that each element of a given set is associated with an element
- 8 Down
- Continent with the Sahara desert
- 10 Down
- Study of the earth's surface
- 12 Down