The mineral particles found in the layers of a soil, including the topsoil and subsoil layers, were originally weathered from
A.
the soil's humus.
B.
organisms living in the soil.
C.
the soil's parent material.
D.
the soil's groundwater.

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Which food could be transported in a galvanized metal container?

Which law represents a balanced chemical equation?