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 .
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Jose San Martin was an argentine general and the prime leader of the southern part of south America. hoped that helped!
They have evolved to endure more as well as having been exposed to it from birth.