A diagonal boundary seems to divide at least layer F and layer B into two sections. Predict the
event that formed this boundary, and predict
whether the event occurred before or after the formation of the layers around it. Explain your
reasoning.

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30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve