Answer:
The Central idea of the Article is Supply and Demand is the ethic of Employees working and demanding wage. If there is no wage, there is no employee.
Explanation:
Take this and make a paragraph out of it. It should be simple. Just get an Idea of how Supply and Demand works in Economy
The main mechanism through which the layering happened is gravity: it pulled the heavier, denser material to the center, leaving the less dense material on the surface.
The material that was on the outside cooled quicker, but this was the result, not the cause.
The answer is
<span>2) Gravity caused more-dense material to move toward the center of each planet.</span>
Many scientists think the sun and the rest of the solar system formed from a giant, rotating cloud of gas and dust known as the solar nebula. As the nebula collapsed because of its gravity, it spun faster and flattened into a disk. Most of the material was pulled toward the center to form the sun.
