instruction:
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.
question:
Question: What can be used to determine the mass of a quantity of material? Answer: molar masses
answer:
Molar masses can be used to determine the mass of a quantity of material.


question:
Question: Early in the development of a human fetus, the skeleton is made entirely of what? Answer: cartilage
answer:
Early in the development of a human fetus, the skeleton is made entirely of cartilage.


question:
Question: How can you prevent diseases such as whooping cough and flu? Answer: preventive vaccinations
answer:

Preventive vaccinations can you prevent diseases such as whooping cough and flu.