Answer:
Index fossils, intrustions and cross-cutting relationships.
Explanation:
The correct list of three different geologic features that help scientists determine the relative ages of rocks by their position is "index fossils, intrusions, and cross-cutting relationships".
Answer:
heat, pressure and water content
Explanation:
Magma formation are affected by heat content, pressure offered by the overlying rock and water content
Answer:
x=9
so the length if each side is 38