Ageologist finds a section of rock that shows ripple marks. what does the presence of ripple marks say about the area where the rock formed?
a. the rock formed under the earth’s surface at very high temperatures.
b. the rock formed in a fast-moving stream.
c. the rock formed from mollusk shells.
d. the rock was blown out of a volcano..

The point where two air masses meet is called a

In north america, most winter storms form when cold, dry air from interacts with warm, moist air from

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.