<span>B) He noticed four-fifths of the air had been used up. If by air this question is referring to oxygen, the fact that it has been used up means it has reacted, mean a substance has combusted.</span>
It would be all if u can pick that but if not it depends on what animal the he question is talking about
Answer:
When compared to absolute dating, the advantage of relative dating is most likely that there is not a limit to an age scope of the dated fossils or the fossils being dated.
Answer:Primary succession occurs on land that is new and has never had a flora and fauna example: glacier retreats, lava flows. Secondary succession occurs on land that has been cleared example: by fire, of flora and fauna, but which still has viable seeds and spores in the soil.
