Which of steno’s principles is responsible for the thin undisturbed layers found in the grand canyon?

The answer to this will be from your lab notes/procedure. it would be best to ask another student who participated in the lab as we do not know what was done, what enzyme or if the temperature is celsius or fahrenheit. if i were to guess though i'd say the rate stopped due to enzyme denturing at high temperature

Ithink you should go back and learn in school rather then here asking questions