Humans have developed different dog breeds using the process of selective breeding.
how is selective breeding similar to evolution by natural selection?
a. both are driven by the environment's goals.
b. both are driven by human goals.
c. both occur over several generations.
d. both select for favorable traits in a species.

so whats the answer

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.