TASK DEFINITION: In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
PROBLEM: Question: What can be used to determine the mass of a quantity of material? Answer: molar masses

SOLUTION: Molar masses can be used to determine the mass of a quantity of material.

PROBLEM: Question: What process is the synthesis of glucose from pyruvate, lactate and glycerol? Answer: gluconeogenesis

SOLUTION: Gluconeogenesis is the synthesis of glucose from pyruvate, lactate and glycerol.

PROBLEM: Question: What type of pollutants enter the air directly? Answer: primary

SOLUTION:
Primary pollutants enter the air directly.