Which of the following statements is a part of john dalton’s atomic theory? every compound is composed of atoms of a single element. all atoms of all elements are exactly alike and have the same mass. all elements are composed of atoms that cannot be divided. electrons move in specific orbits around the nucleus of an atom.

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.