The correct answer is sand, silt, and clay. These three sediments are the ones who make up the C horizon. This layer is located right below the B horizon and which is known to be a delicate layer since it has a weak pedological development compare to others.
The sentence that states that " When Donnie is unhappy with how an experiment has turned out, he chooses not to share his findings with the public or his colleagues"
"he continues performing an experiment until he reaches the conclusion that he wants and expects. "
