How can electromagnetic waves be used to fight a forest fire

Write down two additional questions about earth's magnetic field that will make your presentation more informative.

Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.

Use vsepr theory to predict the molecular geometry of the molecule hcn.