Earth has a liquid outer core because that's the ocean and the earth is mostly made up by water.The earth has a solid inner by the mantle which is hard rock and made out of gas and rocks and it is very hot out there
Tillage is a threat to the soil because it ruins the protective topsoil. hope it helps :)
I think the United States is a well developed country. Like if you see India or Africa they are still developing.
I hope this helps :)
Workers who work to preserve/help the environment. Such as people that design solar panels or farmers.
The spirits of the ancestors, animal spirits too
