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 kind of viscosity is found in long-chain hydrocarbons? Answer: highly viscous
answer:
Highly viscous kind of viscosity is found in long-chain hydrocarbons.


question:
Question: The sum of the kinetic and potential energies of a system’s atoms and molecules is called what? Answer: internal energy
answer:
The sum of the kinetic and potential energies of a system’s atoms and molecules is called internal energy.


question:
Question: The development of the respiratory system in the fetus begins at about? Answer: 4 weeks
answer:

The development of the respiratory system in the fetus begins at about 4 weeks.