Organisms contribute to soils formation by all of the above stirring the soil to allow air infiltration degrading organic matter to form humus contributing organic matter to the soil

it would lead to upper respiratory infections and pneumonia.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

i think the answer is g1

hope i

-lavira: )