If a wave were nine feet high, how much would the amplitude be? a. 3 feet b. 4.5 feet c. 12 feet d. 18 feet

Two models of the same compound are shown. in what way is model b better than model a? model b shows the types of elements in the compound, but model a does not. model b shows the three-dimensional shape of the molecule, but model a does not. model b shows how the atoms in the molecule are connected, but model a does not. model b shows the number of atoms of each element in the molecule, but model a does not