The answer is Polish
Hope that helps
Many intervening variables that could affect the performance of a freely suspended compass and achieve a linear measurement. Some of these variables are enumerated below but not limited to these items.
1. Temperature Induced
2. Current Stabilization
3. Temperature effects on the materials
4. AC and DC
compass rose, sometimes called a windrose or rose of the winds, is a figure on a compass, map, nautical chart, or monument used to display the orientation of the cardinal directions (north, east, south, and west) and their intermediate points.
I believe the correct answer is A. Irtysh
