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.
<span>Slab pull” is a type of tectonic plate movement
that occurs due to the forces of mantle convection and results in the
subduction of the lithosphere, causing earthquakes. Slab pulls are actually
portions of the motions of a tectonic plate that accounts for its subduction.
The motion of these plates are driven by weight of cold and denser plates that
sink at trenches towards the mantle of the Earth. </span>
Geography do 10 questions from pages 159 to 164.
Answer: 7th Century BC
Explanation:my teacher told me
