Physics · Surveying
Identify the correct statement(s) regarding reduced level (elevation) in surveying: Statement I: Elevation of a point is measured vertically from the chosen datum surface. Statement II: The elevation of a point is always positive, representing height above sea level. Statement III: The difference in elevation between two points is the vertical distance between their level surfaces.
- 1Statements I and II only
- 2Statements II and III only
- 3Statement I and III only✓
- 4Statement II only
Correct answer
Statement I and III only
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