Answer:
A Topographic maps is used to represent the Earths features.
Explanation:
Topographic maps are a detailed record of a land area, giving geographic positions and elevations for both natural and man made features. They show the shape of the land the mountains, valleys, and plains by means of brown contour lines (above sea level)
Answer:
The Richter Magnitude unit.
Explanation:
The ritcher magnitude scale measures the size of an earth quake. It is a logarithmic representation. For uniformity, consistence of measurements and interpretation of outcomes, this unit is callibrated to represent the log of the largest amplitude on a seismograph.
145° to make 180° and 45° to make 90°
