The different apparences of the moon known as moon phases are caused by:
O The moon getting closer and farther away from the Earth.

O The moon's constant rotation on its axis.

O The moon's very thin atmosphere.

O the moon's revolution around the Earth.

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.