I need help :)) pls help meee.

The reflection of the candle in the concave mirror formed an upside-down virtual image that is smaller than the candle.in other words. the answer is the third option, c

  cxrcvbnmbhjtyrtdhfxbv nbmkhturytdsfxc gfxcbmgv vv fgcbvc

Ibelieve the answer is arteries

The correct option is this: the sound waves from the two trombones have slightly different frequencies.from the question given above, we are told that the loudness of the sounds were increasing and decreasing, this is because the frequencies of the two sounds are different. the means that the number of waves that pass a fixed point in a given amount of time differ for both sounds.