Draw a circuit diagram containing a battery with 3 cells in series, two pathways with a lamp on each path. add a switch that would control the lamps on both paths.

Kiloleter, mega leterhope this !

Domain eukarya; kingdom plantae should be the answer.

Sounds propagates through some kind of medium. usually it's air, but it goes just as well through solid objects like walls, windows etc. a soundwave will compress the (air)molecules in front of it, and if this increased density wave hits your ears, you register it as sound. solid objects like walls are a lot denser than air, this means that they will damp a wave, but also carry it easier.