Earthquakes and volcanoes are caused by geological events and have much in common. Which of the following is true about both earthquakes and volcanoes? A. Volcanic activity may cause earthquakes.
B. Earthquakes are pretty common, but volcanic eruptions are rare events.
C. Earthquakes and volcanic eruptions tend to occur most frequently in the center of a D. tectonic plate.

Why might a single rock layer exhibit different types of sedimentary rocks within it? view available hint(s) why might a single rock layer exhibit different types of sedimentary rocks within it? such a rock layer, termed a facies, when traced laterally represents a variety of depositional environments that formed in a sequence over time. such a rock layer, termed a facies, when traced laterally represents a single depositional environment that formed over time. such a rock layer, termed a facies, when traced vertically represents a variety of depositional environments that formed at the same time across a broad area. such a rock layer, termed a facies, when traced laterally represents a variety of depositional environments that formed at the same time across a broad area. such a rock layer, termed a facies, when traced vertically represents a variety of depositional environments that formed in a sequence over time.