Energy conservation is the process by which one kind of energy changes into a another and when energy is converted this way it's not lost or used up. true or false

True. The question describes the idea of energy conservation faithfully. Energy can change forms but remains the same within an isolated system over time. Within such a system, energy cannot be created or destroyed.

True

Explanation:

I took the K-12 test and got 100%. Hope this helps :

b.transmitters send radio waves, and receivers capture radio waves.

small = small current large mag large current