Question

select all that apply. which geologic principles are used to interpret rock sequences and determine relative ages? original horizontality and superposition cross - cutting relationships and inclusions absolute - age dating and radioactive decay need help? review these concept resources. read about the concept. rate your confidence to submit your answer. high medium low

Explanation:

The principles of original horizontality (rocks are initially deposited horizontally), superposition (older rocks are at the bottom in an undisturbed sequence), cross - cutting relationships (a feature that cuts across rock layers is younger than the layers it cuts), and inclusions (fragments within a rock are older than the rock containing them) are used for relative dating. Absolute - age dating and radioactive decay are for determining absolute ages, not relative ages.

Answer:

original horizontality and superposition
cross - cutting relationships and inclusions