Question

______ have been used as a grid measurement system for navigating the earth for hundreds of years.
a. gps systems
b. the stars
c. latitude and longitude
d. compasses
please select the best answer from the choices provided.
○ a
○ b
○ c
○ d

Explanation:

• Option A: GPS systems are a modern navigation technology, not hundreds of years old.
• Option B: The stars are used for celestial navigation but are not a grid measurement system.
• Option C: Latitude and longitude form a grid system that has been used for navigating the Earth for centuries.
• Option D: Compasses indicate direction (magnetic north) but are not a grid measurement system.

Answer:

C. Latitude and longitude