During Hadean time, the solar system was forming within a cloud of dust and gas known as the solar nebula, which eventually spawned asteroids, comets, moons and planets. Astrogeophysicists theorize that about 4.52 billion years ago the proto-Earth collided with a Mars-size planetoid named Theia.
True, for example the Pacific Ring of Fire is where majority of volcanic activity happens. The Pacific Ring of Fire sits along western North America...this is because of its plate boundaries.
The answer is A. Replaced . Hope this helped ❤
Answer:
A) It is older than the rocks it intrudes.
What is this supposed to be about?