What is the exact circumference of the circle? 2π cm 4π cm 8π cm 16π cm

It’s according to the question. but most of the time the answer is b

Answertrueknown as a genius of the piano and composer of instrument pieces for consorts he also was an english composer that lived during the renaissance time

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.