Answer:
Radiation is energy. It can come from unstable atoms that undergo radioactive decay, or it can be produced by machines. Radiation travels from its source in the form of energy waves or energized particles. There are different forms of radiation and they have different properties and effects.
Explanation:
C. a scientific approach to answering questions
<span> the line-emission spectrum of an atom is caused by the energies released when electrons. releases energy of only certain values. </span>
the answer equals to 29000
