In conclusion, air pollution is very dangerous and can harm many. Air pollution can harm the environment, to animals, to even humans. This is why we need to come together and reduce air pollution the best we can.
Using kilometers in space is useless, as the distances between objects is drastically incred. A lightyear is 9.5 kilometers. It is simpler to say "Alpha Centauri is 4.1 light years away" than it is to say "Alpha Centauri is 28.95 Trillion kilometers away"<span />
Answer: Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function.
Answer: I think it’s D. Pls don’t bash me if it’s wrong