Which of the following statements accurately describes a comparison of the current distribution of colonies to the distribution of colonies historically? A. Currently, the number of colonies is larger than at any other time in history.
B. Most of the current colonies are in Eastern Europe; historically the largest number was in Africa.
C. Most of the current colonies are in Africa; historically the largest number was in South America.
D. Most of the current colonies are islands; historically a larger number of colonies were on the mainland.
E. Most of the current colonies are on the mainland; historically a larger number of colonies were islands.

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.