If the earth's gravitational pull gets three times stronger your weight increases three times your original weight.
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".
The last place you left it! :)
Iron was able to show previous orentations of earth's magnetic field
