Answer:
B
Step-by-step explanation:
The author of the passage begins with the statement: “The laws of stratigraphy helps geologist make inferences about the Earth’s past.” The author uses two specific examples to support this claim:how “you might infer from the law of superposition” that a “trilobite fossil is older” and how “you might infer from the law of lateral continuity” that two area “used to be continuous.”