First one is geosphere
second is biosphere
third is atmosphere
Perhaps the world's most famous early human ancestor, the 3.2-million-year-old ape "Lucy" was the first Australopithecus afarensis skeleton ever found, though her remains are only about 40 percent complete (photo of Lucy's bones). Discovered in 1974 by paleontologist Donald C.
Answer:
I say its the cheaper one! If you read it a few times you might see why :)
Explanation:
even though its cheaper, its still better
Earth has 78% of nitrogen. So I would say Earth.
