Thomas was interested in how the disruption of rock layers can be used to find a rock’s age. Which of the following are examples of how rock layers may be disturbed or changed? Choose the three that apply. A. igneous intrusion
B. superposition
C. extrusion
D. fault
E. fossil formation

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)