all except one contributed to the development of the quantum mechanical model of the atom. A. werner Karl Heisenberg C. Erwin Schrodinger B. Louie de Broglie D. Neils Bohr​

Who examines and coordinates the cleanup of polluted sites?

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals

How can liquids be seperated by density a the liquids are absorbed onto a paper b the liquids are turned into seperate vapors c the liquids are collected as they evaporate d the liquids are allowed to seperate into layers