Mechanical (sound) waves are unable to travel through a vacuum, such as through space, but radio waves are transmitted to earth from satellites. how is this possible? a)radio waves are electromagnetic waves. b)satellites are located within our atmosphere. c)radio waves are very high energy mechanical waves. d)radio waves are changed to gamma rays for transmission.

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?