When the Earth cooled from being hot, all the iron and nickel was concentrated inside the Earth forming the inner two layers, inner solid core and outer liquid core. Then with the passage of time the Earth solidified gradually and the mantle solidified and now at this stage the Earth's crust, the outer most part of the Earth, looks like it's final product (the way it does now).
A possessive nouse shows a relationship of belonging between one thing and another. To form the possessive<span>, add apostrophe + s to the </span>noun<span>. If the </span>noun<span> is plural, or already ends in s, just add an apostrophe after the s.</span>
1) The girl's kite.
2) The mom's job.
3) The cat's dish.
Why don’t you try it yourself instead of cheating-
Because it helps understand perspective
