How do waves erode coastlines? Select three options. Back-and-forth movement loosens sediment and rock. Large rocks are picked up and deposited in new areas. Continuous impacts loosen sediment and rock. Loose sediment is picked up and blown to other locations. Sediments scrape against one another and wear away surfaces.

The answer is b.i hope this i got the answer from google just to make sure i was correct didnt wanna make you get it

The answer is to reassure the reader about dangers of mad cow disease.

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.