Answer:oxygen, carbon, hydrogen, and nitrogen
Explanation: those are the four most important elements in all living thigns
It absorbs food from the environment.
Dalton's theory of atoms are invisible was later proven false. An atom can be further divided into protons, neutrons, and electrons.
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Answer:
Magnetic reversal proves seafloor spreading because we can see the polarity of the Earth's magnetic field in rocks. As magma cools, particles in it get “frozen” in the direction of the magnetic field. ... The magnetic evidence shows that the oldest rocks are far away from the ridge and the newest rocks are closest.