URGENT Explain in 1 - 2 sentences how emission and absorption spectra can support the theory that electron orbitals are arranged in discrete energy levels.

Each line in the emission spectrum corresponds to a specific amount of energy. This energy is emitted when electrons from higher-energy electron shells transition to a lower-energy shell. ... This is evidence that electrons are found in shells with discrete energy levels .

1 a

2 d

3 a

4 c

explanation:

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying