help please

1 point Which statement accurately describes the energy changes within the cylinders of a snowmobile engine as a result of the combustion of fuel? O Chemical energy decreases and the total kinetic energy of the molecules decreases. O Chemical energy decreases and the total kinetic energy of the molecules increases. O Chemical energy increases and the total kinetic energy of the molecules increases. Chemical energy increases and the total kinetic energy of the molecules decreases. Chemical energy increases and the total kinetic energy of the molecules decreases. Match each boxed number on the diagram with its appropriate label listed 1 point below. Don't use any commas or spaces, just put the four numbers together in their proper order. * Nuclear Reaction 2 . U U 02 Kr 235 92 Neuron Bar Records your first number ( es your second nuties cord your third e cordas you fourth time) TOUTE The isotope nitrogen-17 undergoes beta decay. Which of the following is a 1 point product of this decay?" O carbon-12 O carbon-14 O oxygen-17 oxygen-16 According to the graph, when did coal overtake traditional renewable fuels 1 point as the dominant source of world energy consumption? Percentage of World Total Energy Consumption (1860-2000) 100 90 80 Traditional Renewable Fuels 70 60 Percentage o 8 8 8 8 7 8 8 50 40 Cool when 20 10 0 1860 1880 1900 1960 1980 2000 1920 1940 Year 1880 1920 1906 1897 CANDU nuclear power stations operate only in Canada. 1 point True O False 1 point The change in mass for the reaction represented by the equation shown below is: * Fusion reactions could be used in nuclear power plants in the future. Fusion Reaction Equation H+ H Het on O 1.0039 x 10^-2 kg 05.010 x 10^-3 kg O 1.996 X 10^-5 kg 05.029 X 10^-3 kg