What happens to the electrons if a battery voltage is raised in a circuit?

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy