Anyone willing to help? A. The burning of fossil fuels and global warming
B. The warming of Earth by the sun
C. The movement of tectonic plates beneath Earth’s oceans
D. The revolution of the Moon around the Earth

What happens to atoms and chemical bonds during a reaction?

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

What happens to the electrostatic force between two charged particles if the distance between them is doubled?