Does an unusually cold day in summer indicate that a region's climate has changed?

But isn’t this a question asking ur opinion this is something about u. ( well i would pick somewhat true bc that’s what i do when i don’t know what to choose ) hopefully this =“)

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.

Its probably the possible factors tt, tt, tt,