Task: Instance Description Understanding (ontology: Sciences/Computer_Science)

Which of the following definitions best describes the instance 'gram per liter'?

A. A mass unit density which is equal to mass of an object in grams divided by the volume in liters.
B. A concentration unit which a measure of viable bacterial numbers in a given volume.
C. A unit of molarity which is equal to one thousandth of a molar or 10^[-3] M.
D. A unit of molarity which is equal to one thousandth of one millionth of a molar or 10^[-9] M.

Answer: A mass unit density which is equal to mass of an object in grams divided by the volume in liters.