I fell asleep looking at a picture of my love i woke up and read our old and new messages

i cried, happy tears bc hes there for me

but then sad tears cuz hes 21 hours away from me(miami to grand rapids)

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.