In what locations can a GPS function?

It's a global navigation satellite system that provides location, velocity and time synchronization. GPS is everywhere. You can find them in your car, phone, and watch.

the answers for the whole quick check is

1. b

2. b

3. a

4. c

5. b

6. a

7. d

no sé si entiendes español pero te daría la respuesta si lo supiera, pero lo siento mucho