Question

Distance and time must change relative to each other in order to ensure thata- The speed of light remains constantb- Space-time existsc- We can travel through timed- All of the above

Answer 1

-a: Is correct, to remaind the speed of light constant distance and time have to change porportional. The speed represents a rate of change between distance and time.

-b: Incorrect, space (distance) can be curved and tiem remainds constant, and the space-time exist

-c: It is not tested jet

Answer is A