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.
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Question: Question: In solids, particles can't overcome the force of attraction between them because they lack what? Answer: kinetic energy

Answer: In solids, particles can't overcome the force of attraction between them because they lack kinetic energy.


Question: Question: What type of cell layer do flatworms have? Answer: mesoderm

Answer: Mesoderm type of cell layer do flatworms have.


Question: Question: Ion drives have low thrust but high what? Answer: efficiency

Answer:
Ion drives have low thrust but high efficiency.