look at each picture and identify the following instruments from korea. name and classify the following musical instruments using the hornbostel sachs system aerophone chordophone idiophone membranophone electrophone

Yes it can cause that

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.