Answer:meteorite- a rock that burns up in earth atmosphere
Meteor-the remains of rock from space that strikes Earth surface
Meteoroid-a small piece of rock in space
Explanation: I got it right on egunity
The fact that the two strands of DNA are complementary <span />
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Scientists think that the earths core contains iron because they have inferred that the core is iron by conducting seismic experiments. The magnetic field is also a strong clue.
<span>Atom,molecule,organell,cell</span>