Answer: The answer is speed, distance and very large
Explanation:
The speed of light is the rate at which light travels through empty space, or about 300,000 km per second.
A light-year is a measurement of distance .
The distance between stars is measured in light-years rather than in miles or kilometers because the distance between stars is very large .
Pls give brainliest!!!!
The greatest hazard to homes are when they are built on mountains
