Which is bigger 150 million kilometers or 4.5 light years?

4.5 light years

Example;Lets say that in the dinosaur days there was a star that exploded.

after 8 light years we would see it now. (now as in 2020) So thats why 4.5

light years is more then 150 million kilometers.

b.

developed countries have tended to improve the environment, while developing countries have tended to damage it.

answerpeople organize large projects such as levee-building;