Answer:
I think false I don't know if I right but I hoped this help
Answer: from 0.66 eV to 13 eV
Explanation: In order to justify this range of energy corresponding to the spectrum of hydrogen we firrsly have to consider the model given by Planck to describe this kind of atoms. On the hand the spectral series resume the main atomic transtitions corresponding for the hydrogen.
The attached file gives more details about these considerations.
Fossil B is older the lower they found the fossil the older it is