when energy is transfered from one part of a system to another some of the energy is lost durring the transfer and cannot be used as it was intended which two sentences describe examples of this

Which one of the following research methods can show cause and effect

Can you match these to the correct definition

Electromagnetic force is present when electromagnetic fields a.become charged as they lose electrons. b.become stable as they come in contact with other forces. c. interact with charged particles. d.gain energy from other forces.