Correct option is A
The correct answer is (A) 20,000 km.
Explanation:The Global Positioning System (GPS) operates using satellites that orbit the Earth at an altitude of approximately 20,000 km.
Information Booster:
- GPS Satellites: The system relies on a constellation of at least 24 satellites orbiting the Earth.
- Purpose: Provides accurate positioning, navigation, and timing information globally, which is essential for various applications like navigation and military operations.
- GPS Network: The satellites are positioned to ensure continuous global coverage and are equipped with highly accurate atomic clocks.
KEY POINTS:
Moon is the natural satellite of earth.