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.
The four tools mapmaker use are:
Direction
Legend
Title
Diagram
Answer:
It's B, because it has everything needed for an economy.
Explanation:
