A light-year is how astronomers measure distance in space.
-Light can travel 300,000 kilometres in one seconds!
Light year is the distance that light travel can travel in one year.
-Light can also travel 9,00,000,000,000 kilometers.
-One light is about 10 trillion km.
-Almost 300 years ago ,a Danish scientist named olaus roemer,was the fist man to estimate the distance light travels in a year -and using that he figure out the approximate speed of light!
Answer:
Liquid
Explanation:
Before anything evaporates, it is in a liquid state.
I think it’s C I’m sorry if I’m wrong.
You got this I believe in you!
A, Mechanical and A, Chemical.
