What is the answer

Interact with the LabPad to answer the quiz. THEORY MEDIA MISSION Why did the scientists have to come up with a different model after Bohr? a) Bohr considered electrons to have both a known radius and orbit b) Bohr's model did not describe the arrangement of electrons in orbit c) Bohr's model did not explain the stability of the nucleus d) Bohr assumed that electrons should lose energy and fall into the nucleus