Answer:
he is explaining some thing he is used to doing every year he wanted to keep it going so he did
Explanation:
i think hope you get it right
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).
To modify something, we use an adjective. Like for example: The tree had an apple. Modified version: The "Big" tree had a "Red" apple.
