CO2 and H2O are compounds hope this helped :)
Answer: According to the Bohr model, atoms emit light because excited electrons are returning to lower energy states, emitting the energy difference. This energy always has a specific wavelength because the electrons can only exist in set orbits. ... An emission spectrum is the frequencies of light emitted from an atom.
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yes, it is a homogeneous mixture because the different parts cannot be seen.
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The answer is True.
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The sentence above is true it all adds up.
