A compound-complex sentence combines the compound and the complex sentence. It contains two or more complete sentences joined by one or more of the following words: for, and, nor, but, or, yet, so, and at least one incomplete sentence.
Max Karl Ernst Ludwig Planck, FRS[2] (/plÉËÅk/;[3] 23 April 1858 â 4 October 1947) was a German theoretical physicist whose discovery of energy quanta won him the Nobel Prize in Physics in 1918.[4]
Relevance. Rating Newest Oldest. Best Answer: Niels Bohr put forward his picture of the atom in 1913. He used Max Plank's quantum theory and suggested that electrons can have only certain amounts of energy, and their orbit can have onlt certain radii and that the electrons which absorb photons move to higher orbits.