The CH4 molecule has the lowest molecular weight, so it has the lowest boiling point.
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Answer:
i'm pretty sure it's 'transport oxygen from the lungs to tissues around the body'
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Answer:
Fossils tell us when organisms lived, as well as provide evidence for the Fossils are the preserved remains or traces of animals, plants, and other organisms from the past. Fossils, by comparing the anatomies of both modern and extinct species, allows scientists to study the skin, hair, and organs of ancient creatures.
Explanation: