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MID_TERM2
planet earth
| Question | Answer |
|---|---|
| contour line | a line that connects points of equal elevation |
| coordinate system | system used to establish a point |
| latitude | north and south from the equator based on altitude of polaris parallels |
| longitude | east and west from the prime meridian based on earth's rotation meridians |
| elevation | something raised upward, height going up |
| equator | imaginary line around the earth that separates North and South |
| field | region of space where there's a measurable quantity of given property at every point |
| gradient | G=change in field value/distance |
| isoline | a line that connects points of equal elevation |
| prime meridian | 0 degress longitude in which east and west are separated, Greenwich |
| profile | a side view of a particular area |
| topographic map | map that showsterrain elevation and the lay of the land with contour lines |
| Polaris | can only be seen in the Northern hemisphere measure angle from the horizon to the north star |
| index contour | every fifth contour line. shows elevation |