Alight year is approximately a) 9.5 trillion kilometers b) 95 trillion kilometers c) 150 million kilometers d) 150 billion kilometers

Answer : A light year is approximately 9.5 trillion kilometers - A)

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.