If the amount of atoms of each type on the left and right sides of a reaction differs, what must be done to balance it 1.should be left alone 2.coefficients are placed in front of the reactants and/or products 3.subscripts are placed in the chemical formulas 4.superscripts are placed in the chemical formulas

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Which statement best describes the flow of energy in this scenario

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.