Answer:
solid
Explanation:
I got it from a Quizizz I think your teacher might of got some questions from there if you want the link just comment and I'll give it to you
D. Appalachia would be the poorest
...asteroids and comets. Planets formed much later.
erosion and land water cause the ground to do either two things.
erosion causes the soil on top to be picked up by moving water or pounding and splashing water from the rain. this soil is usually moved to the bottom or to the lowest level around it.
land water, which causes the soil under to become softer and is able to become more and more compact and able to turn to petrified soil or even rock.
Some of the factors would be introduction of non native species, pollution, overgrazing, chemical agents and habitat loss
