Why does a water molecule have a bent shape? O A. The protons in the nucleus of the hydrogen atoms repel the protons in the nucleus of the oxygen atom. B. The oxygen atom has lone pairs of electrons. has two covalent bonds . D. The hydrogen atoms repel each other.

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.