O) Organic Matter
A) Surface soil
B) Subsoil
C) Parent Rock
R)Bed rock
I have no clue but I just want the thanks
Coals are the most abundant organic-rich sedimentary rock. They consist of undecayed organic matter that either accumulated in place or was transported from elsewhere to the depositional site. The most important organic component in coal is humus. Is correct
<span>X chromosomes is found in female cells and</span><span><span> males produce sperm with an X or a Y chromosome.</span> </span>
